Home / 627,140.01-865,438.68-365,478.63

Finding the Fourth Proportional to 627,140.01, 865,438.68 and 365,478.63

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Solution

The fourth proportional to 627,140.01, 865,438.68 and 365,478.63 is: 504,352.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,140.01 : 865,438.68 = 365,478.63 : x
  2. Step 2: Convert to fraction form
    627,140.01/865,438.68 = 365,478.63/x
  3. Step 3: Cross multiply
    627,140.01x = 865,438.68 × 365,478.63
  4. Step 4: Simplify right side
    627,140.01x = 316,299,344,485.95
  5. Step 5: Solve for x
    x = 316,299,344,485.95/627,140.01
  6. Step 6: Final answer
    x = 504,352.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.