Home / 724,319.82-999,545.94-402,010.56

Finding the Fourth Proportional to 724,319.82, 999,545.94 and 402,010.56

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Solution

The fourth proportional to 724,319.82, 999,545.94 and 402,010.56 is: 554,766.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,319.82 : 999,545.94 = 402,010.56 : x
  2. Step 2: Convert to fraction form
    724,319.82/999,545.94 = 402,010.56/x
  3. Step 3: Cross multiply
    724,319.82x = 999,545.94 × 402,010.56
  4. Step 4: Simplify right side
    724,319.82x = 401,828,023,085.13
  5. Step 5: Solve for x
    x = 401,828,023,085.13/724,319.82
  6. Step 6: Final answer
    x = 554,766.02

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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.