Home / 724,819.57-1,000,223.61-402,550.43

Finding the Fourth Proportional to 724,819.57, 1,000,223.61 and 402,550.43

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Solution

The fourth proportional to 724,819.57, 1,000,223.61 and 402,550.43 is: 555,504.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,819.57 : 1,000,223.61 = 402,550.43 : x
  2. Step 2: Convert to fraction form
    724,819.57/1,000,223.61 = 402,550.43/x
  3. Step 3: Cross multiply
    724,819.57x = 1,000,223.61 × 402,550.43
  4. Step 4: Simplify right side
    724,819.57x = 402,640,437,790.97
  5. Step 5: Solve for x
    x = 402,640,437,790.97/724,819.57
  6. Step 6: Final answer
    x = 555,504.37

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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.