Home / 724,162.17-999,377.88-401,874.93

Finding the Fourth Proportional to 724,162.17, 999,377.88 and 401,874.93

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Solution

The fourth proportional to 724,162.17, 999,377.88 and 401,874.93 is: 554,606.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,162.17 : 999,377.88 = 401,874.93 : x
  2. Step 2: Convert to fraction form
    724,162.17/999,377.88 = 401,874.93/x
  3. Step 3: Cross multiply
    724,162.17x = 999,377.88 × 401,874.93
  4. Step 4: Simplify right side
    724,162.17x = 401,624,915,568.55
  5. Step 5: Solve for x
    x = 401,624,915,568.55/724,162.17
  6. Step 6: Final answer
    x = 554,606.32

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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.