Home / 931,641.20-1,397,116.20-370,559.60

Finding the Fourth Proportional to 931,641.20, 1,397,116.20 and 370,559.60

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Solution

The fourth proportional to 931,641.20, 1,397,116.20 and 370,559.60 is: 555,701.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,641.20 : 1,397,116.20 = 370,559.60 : x
  2. Step 2: Convert to fraction form
    931,641.20/1,397,116.20 = 370,559.60/x
  3. Step 3: Cross multiply
    931,641.20x = 1,397,116.20 × 370,559.60
  4. Step 4: Simplify right side
    931,641.20x = 517,714,820,225.52
  5. Step 5: Solve for x
    x = 517,714,820,225.52/931,641.20
  6. Step 6: Final answer
    x = 555,701.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.