Home / 779,449.53-1,075,619.37-435,275.87

Finding the Fourth Proportional to 779,449.53, 1,075,619.37 and 435,275.87

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Solution

The fourth proportional to 779,449.53, 1,075,619.37 and 435,275.87 is: 600,668.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,449.53 : 1,075,619.37 = 435,275.87 : x
  2. Step 2: Convert to fraction form
    779,449.53/1,075,619.37 = 435,275.87/x
  3. Step 3: Cross multiply
    779,449.53x = 1,075,619.37 × 435,275.87
  4. Step 4: Simplify right side
    779,449.53x = 468,191,157,065.60
  5. Step 5: Solve for x
    x = 468,191,157,065.60/779,449.53
  6. Step 6: Final answer
    x = 600,668.98

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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.