Home / 724,282.92-999,558.14-418,372.18

Finding the Fourth Proportional to 724,282.92, 999,558.14 and 418,372.18

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Solution

The fourth proportional to 724,282.92, 999,558.14 and 418,372.18 is: 577,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,282.92 : 999,558.14 = 418,372.18 : x
  2. Step 2: Convert to fraction form
    724,282.92/999,558.14 = 418,372.18/x
  3. Step 3: Cross multiply
    724,282.92x = 999,558.14 × 418,372.18
  4. Step 4: Simplify right side
    724,282.92x = 418,187,313,477.79
  5. Step 5: Solve for x
    x = 418,187,313,477.79/724,282.92
  6. Step 6: Final answer
    x = 577,381.16

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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.