Home / 498,411.42-747,627.75-178,584.18

Finding the Fourth Proportional to 498,411.42, 747,627.75 and 178,584.18

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Solution

The fourth proportional to 498,411.42, 747,627.75 and 178,584.18 is: 267,880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,411.42 : 747,627.75 = 178,584.18 : x
  2. Step 2: Convert to fraction form
    498,411.42/747,627.75 = 178,584.18/x
  3. Step 3: Cross multiply
    498,411.42x = 747,627.75 × 178,584.18
  4. Step 4: Simplify right side
    498,411.42x = 133,514,488,679.00
  5. Step 5: Solve for x
    x = 133,514,488,679.00/498,411.42
  6. Step 6: Final answer
    x = 267,880.08

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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.