Home / 724,834.80-1,087,252.20-472,892.40

Finding the Fourth Proportional to 724,834.80, 1,087,252.20 and 472,892.40

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Solution

The fourth proportional to 724,834.80, 1,087,252.20 and 472,892.40 is: 709,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,834.80 : 1,087,252.20 = 472,892.40 : x
  2. Step 2: Convert to fraction form
    724,834.80/1,087,252.20 = 472,892.40/x
  3. Step 3: Cross multiply
    724,834.80x = 1,087,252.20 × 472,892.40
  4. Step 4: Simplify right side
    724,834.80x = 514,153,302,263.28
  5. Step 5: Solve for x
    x = 514,153,302,263.28/724,834.80
  6. Step 6: Final answer
    x = 709,338.60

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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.