Home / 724,842.48-1,000,192.01-402,508.65

Finding the Fourth Proportional to 724,842.48, 1,000,192.01 and 402,508.65

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Solution

The fourth proportional to 724,842.48, 1,000,192.01 and 402,508.65 is: 555,411.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,842.48 : 1,000,192.01 = 402,508.65 : x
  2. Step 2: Convert to fraction form
    724,842.48/1,000,192.01 = 402,508.65/x
  3. Step 3: Cross multiply
    724,842.48x = 1,000,192.01 × 402,508.65
  4. Step 4: Simplify right side
    724,842.48x = 402,585,933,673.34
  5. Step 5: Solve for x
    x = 402,585,933,673.34/724,842.48
  6. Step 6: Final answer
    x = 555,411.62

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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.