Home / 724,802.37-1,000,240.82-402,542.65

Finding the Fourth Proportional to 724,802.37, 1,000,240.82 and 402,542.65

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Solution

The fourth proportional to 724,802.37, 1,000,240.82 and 402,542.65 is: 555,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,802.37 : 1,000,240.82 = 402,542.65 : x
  2. Step 2: Convert to fraction form
    724,802.37/1,000,240.82 = 402,542.65/x
  3. Step 3: Cross multiply
    724,802.37x = 1,000,240.82 × 402,542.65
  4. Step 4: Simplify right side
    724,802.37x = 402,639,590,320.97
  5. Step 5: Solve for x
    x = 402,639,590,320.97/724,802.37
  6. Step 6: Final answer
    x = 555,516.38

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Double scale
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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.