Home / 687,337.89-1,031,761.06-546,091.10

Finding the Fourth Proportional to 687,337.89, 1,031,761.06 and 546,091.10

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Solution

The fourth proportional to 687,337.89, 1,031,761.06 and 546,091.10 is: 819,735.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,337.89 : 1,031,761.06 = 546,091.10 : x
  2. Step 2: Convert to fraction form
    687,337.89/1,031,761.06 = 546,091.10/x
  3. Step 3: Cross multiply
    687,337.89x = 1,031,761.06 × 546,091.10
  4. Step 4: Simplify right side
    687,337.89x = 563,435,529,537.64
  5. Step 5: Solve for x
    x = 563,435,529,537.64/687,337.89
  6. Step 6: Final answer
    x = 819,735.88

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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.