Home / 609,818.49-915,565.62-310,500.18

Finding the Fourth Proportional to 609,818.49, 915,565.62 and 310,500.18

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Solution

The fourth proportional to 609,818.49, 915,565.62 and 310,500.18 is: 466,176.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,818.49 : 915,565.62 = 310,500.18 : x
  2. Step 2: Convert to fraction form
    609,818.49/915,565.62 = 310,500.18/x
  3. Step 3: Cross multiply
    609,818.49x = 915,565.62 × 310,500.18
  4. Step 4: Simplify right side
    609,818.49x = 284,283,289,811.81
  5. Step 5: Solve for x
    x = 284,283,289,811.81/609,818.49
  6. Step 6: Final answer
    x = 466,176.89

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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.