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Finding the Fourth Proportional to 587,243.20, 880,864.80 and 496,004.80

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Solution

The fourth proportional to 587,243.20, 880,864.80 and 496,004.80 is: 744,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,243.20 : 880,864.80 = 496,004.80 : x
  2. Step 2: Convert to fraction form
    587,243.20/880,864.80 = 496,004.80/x
  3. Step 3: Cross multiply
    587,243.20x = 880,864.80 × 496,004.80
  4. Step 4: Simplify right side
    587,243.20x = 436,913,168,951.04
  5. Step 5: Solve for x
    x = 436,913,168,951.04/587,243.20
  6. Step 6: Final answer
    x = 744,007.20

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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.