Home / 762,581.12-1,142,477.46-357,029.30

Finding the Fourth Proportional to 762,581.12, 1,142,477.46 and 357,029.30

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Solution

The fourth proportional to 762,581.12, 1,142,477.46 and 357,029.30 is: 534,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,581.12 : 1,142,477.46 = 357,029.30 : x
  2. Step 2: Convert to fraction form
    762,581.12/1,142,477.46 = 357,029.30/x
  3. Step 3: Cross multiply
    762,581.12x = 1,142,477.46 × 357,029.30
  4. Step 4: Simplify right side
    762,581.12x = 407,897,930,665.77
  5. Step 5: Solve for x
    x = 407,897,930,665.77/762,581.12
  6. Step 6: Final answer
    x = 534,891.20

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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.