Home / 896,688.38-1,344,098.34-391,113.61

Finding the Fourth Proportional to 896,688.38, 1,344,098.34 and 391,113.61

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Solution

The fourth proportional to 896,688.38, 1,344,098.34 and 391,113.61 is: 586,262.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,688.38 : 1,344,098.34 = 391,113.61 : x
  2. Step 2: Convert to fraction form
    896,688.38/1,344,098.34 = 391,113.61/x
  3. Step 3: Cross multiply
    896,688.38x = 1,344,098.34 × 391,113.61
  4. Step 4: Simplify right side
    896,688.38x = 525,695,147,231.92
  5. Step 5: Solve for x
    x = 525,695,147,231.92/896,688.38
  6. Step 6: Final answer
    x = 586,262.92

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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.