Home / 924,672.05-1,386,767.50-391,918.85

Finding the Fourth Proportional to 924,672.05, 1,386,767.50 and 391,918.85

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Solution

The fourth proportional to 924,672.05, 1,386,767.50 and 391,918.85 is: 587,776.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,672.05 : 1,386,767.50 = 391,918.85 : x
  2. Step 2: Convert to fraction form
    924,672.05/1,386,767.50 = 391,918.85/x
  3. Step 3: Cross multiply
    924,672.05x = 1,386,767.50 × 391,918.85
  4. Step 4: Simplify right side
    924,672.05x = 543,500,321,104.12
  5. Step 5: Solve for x
    x = 543,500,321,104.12/924,672.05
  6. Step 6: Final answer
    x = 587,776.31

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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.