Home / 587,869.88-880,309.10-387,582.59

Finding the Fourth Proportional to 587,869.88, 880,309.10 and 387,582.59

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Solution

The fourth proportional to 587,869.88, 880,309.10 and 387,582.59 is: 580,387.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,869.88 : 880,309.10 = 387,582.59 : x
  2. Step 2: Convert to fraction form
    587,869.88/880,309.10 = 387,582.59/x
  3. Step 3: Cross multiply
    587,869.88x = 880,309.10 × 387,582.59
  4. Step 4: Simplify right side
    587,869.88x = 341,192,474,639.11
  5. Step 5: Solve for x
    x = 341,192,474,639.11/587,869.88
  6. Step 6: Final answer
    x = 580,387.75

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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.