Home / 587,176.20-880,764.30-487,535.40

Finding the Fourth Proportional to 587,176.20, 880,764.30 and 487,535.40

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Solution

The fourth proportional to 587,176.20, 880,764.30 and 487,535.40 is: 731,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,176.20 : 880,764.30 = 487,535.40 : x
  2. Step 2: Convert to fraction form
    587,176.20/880,764.30 = 487,535.40/x
  3. Step 3: Cross multiply
    587,176.20x = 880,764.30 × 487,535.40
  4. Step 4: Simplify right side
    587,176.20x = 429,403,775,306.22
  5. Step 5: Solve for x
    x = 429,403,775,306.22/587,176.20
  6. Step 6: Final answer
    x = 731,303.10

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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.