Home / 651,167.52-977,084.35-309,996.43

Finding the Fourth Proportional to 651,167.52, 977,084.35 and 309,996.43

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Solution

The fourth proportional to 651,167.52, 977,084.35 and 309,996.43 is: 465,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,167.52 : 977,084.35 = 309,996.43 : x
  2. Step 2: Convert to fraction form
    651,167.52/977,084.35 = 309,996.43/x
  3. Step 3: Cross multiply
    651,167.52x = 977,084.35 × 309,996.43
  4. Step 4: Simplify right side
    651,167.52x = 302,892,660,308.87
  5. Step 5: Solve for x
    x = 302,892,660,308.87/651,167.52
  6. Step 6: Final answer
    x = 465,153.21

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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.