Home / 738,960.75-1,108,856.12-402,024.92

Finding the Fourth Proportional to 738,960.75, 1,108,856.12 and 402,024.92

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Solution

The fourth proportional to 738,960.75, 1,108,856.12 and 402,024.92 is: 603,263.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,960.75 : 1,108,856.12 = 402,024.92 : x
  2. Step 2: Convert to fraction form
    738,960.75/1,108,856.12 = 402,024.92/x
  3. Step 3: Cross multiply
    738,960.75x = 1,108,856.12 × 402,024.92
  4. Step 4: Simplify right side
    738,960.75x = 445,787,785,380.11
  5. Step 5: Solve for x
    x = 445,787,785,380.11/738,960.75
  6. Step 6: Final answer
    x = 603,263.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.