Home / 762,924.70-1,144,905.45-425,964.70

Finding the Fourth Proportional to 762,924.70, 1,144,905.45 and 425,964.70

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Solution

The fourth proportional to 762,924.70, 1,144,905.45 and 425,964.70 is: 639,236.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,924.70 : 1,144,905.45 = 425,964.70 : x
  2. Step 2: Convert to fraction form
    762,924.70/1,144,905.45 = 425,964.70/x
  3. Step 3: Cross multiply
    762,924.70x = 1,144,905.45 × 425,964.70
  4. Step 4: Simplify right side
    762,924.70x = 487,689,306,537.62
  5. Step 5: Solve for x
    x = 487,689,306,537.62/762,924.70
  6. Step 6: Final answer
    x = 639,236.49

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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.