Home / 972,291.60-1,341,628-542,488.20

Finding the Fourth Proportional to 972,291.60, 1,341,628 and 542,488.20

Calculator

Solution

The fourth proportional to 972,291.60, 1,341,628 and 542,488.20 is: 748,558.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,291.60 : 1,341,628 = 542,488.20 : x
  2. Step 2: Convert to fraction form
    972,291.60/1,341,628 = 542,488.20/x
  3. Step 3: Cross multiply
    972,291.60x = 1,341,628 × 542,488.20
  4. Step 4: Simplify right side
    972,291.60x = 727,817,358,789.60
  5. Step 5: Solve for x
    x = 727,817,358,789.60/972,291.60
  6. Step 6: Final answer
    x = 748,558.72

Related Problems

Find fourth proportional to 486,145.80, 670,814 and 271,244.10
Half scale
Find fourth proportional to 1,944,583.20, 2,683,256 and 1,084,976.40
Double scale
Find fourth proportional to 972,292.60, 1,341,629.38 and 542,489.20
Similar ratio
Find fourth proportional to 1,458,437.40, 2,012,442 and 813,732.30
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.