Home / 495,147.89-742,997.75-267,438.92

Finding the Fourth Proportional to 495,147.89, 742,997.75 and 267,438.92

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Solution

The fourth proportional to 495,147.89, 742,997.75 and 267,438.92 is: 401,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,147.89 : 742,997.75 = 267,438.92 : x
  2. Step 2: Convert to fraction form
    495,147.89/742,997.75 = 267,438.92/x
  3. Step 3: Cross multiply
    495,147.89x = 742,997.75 × 267,438.92
  4. Step 4: Simplify right side
    495,147.89x = 198,706,514,485.24
  5. Step 5: Solve for x
    x = 198,706,514,485.24/495,147.89
  6. Step 6: Final answer
    x = 401,307.40

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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.