Home / 584,678.12-876,310.85-284,709.20

Finding the Fourth Proportional to 584,678.12, 876,310.85 and 284,709.20

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Solution

The fourth proportional to 584,678.12, 876,310.85 and 284,709.20 is: 426,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,678.12 : 876,310.85 = 284,709.20 : x
  2. Step 2: Convert to fraction form
    584,678.12/876,310.85 = 284,709.20/x
  3. Step 3: Cross multiply
    584,678.12x = 876,310.85 × 284,709.20
  4. Step 4: Simplify right side
    584,678.12x = 249,493,757,385.04
  5. Step 5: Solve for x
    x = 249,493,757,385.04/584,678.12
  6. Step 6: Final answer
    x = 426,719.85

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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.