Home / 877,909.29-1,316,865.61-338,419.61

Finding the Fourth Proportional to 877,909.29, 1,316,865.61 and 338,419.61

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Solution

The fourth proportional to 877,909.29, 1,316,865.61 and 338,419.61 is: 507,630.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,909.29 : 1,316,865.61 = 338,419.61 : x
  2. Step 2: Convert to fraction form
    877,909.29/1,316,865.61 = 338,419.61/x
  3. Step 3: Cross multiply
    877,909.29x = 1,316,865.61 × 338,419.61
  4. Step 4: Simplify right side
    877,909.29x = 445,653,146,158.61
  5. Step 5: Solve for x
    x = 445,653,146,158.61/877,909.29
  6. Step 6: Final answer
    x = 507,630.06

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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.