Home / 761,930.67-1,141,893.18-425,129.88

Finding the Fourth Proportional to 761,930.67, 1,141,893.18 and 425,129.88

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Solution

The fourth proportional to 761,930.67, 1,141,893.18 and 425,129.88 is: 637,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,930.67 : 1,141,893.18 = 425,129.88 : x
  2. Step 2: Convert to fraction form
    761,930.67/1,141,893.18 = 425,129.88/x
  3. Step 3: Cross multiply
    761,930.67x = 1,141,893.18 × 425,129.88
  4. Step 4: Simplify right side
    761,930.67x = 485,452,910,586.22
  5. Step 5: Solve for x
    x = 485,452,910,586.22/761,930.67
  6. Step 6: Final answer
    x = 637,135.28

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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.