Home / 915,972.96-1,374,084.18-316,773.30

Finding the Fourth Proportional to 915,972.96, 1,374,084.18 and 316,773.30

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Solution

The fourth proportional to 915,972.96, 1,374,084.18 and 316,773.30 is: 475,203.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,972.96 : 1,374,084.18 = 316,773.30 : x
  2. Step 2: Convert to fraction form
    915,972.96/1,374,084.18 = 316,773.30/x
  3. Step 3: Cross multiply
    915,972.96x = 1,374,084.18 × 316,773.30
  4. Step 4: Simplify right side
    915,972.96x = 435,273,180,176.39
  5. Step 5: Solve for x
    x = 435,273,180,176.39/915,972.96
  6. Step 6: Final answer
    x = 475,203.09

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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.