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Finding the Fourth Proportional to 595,429.20, 894,180.60 and 315,493.20

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Solution

The fourth proportional to 595,429.20, 894,180.60 and 315,493.20 is: 473,789.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,429.20 : 894,180.60 = 315,493.20 : x
  2. Step 2: Convert to fraction form
    595,429.20/894,180.60 = 315,493.20/x
  3. Step 3: Cross multiply
    595,429.20x = 894,180.60 × 315,493.20
  4. Step 4: Simplify right side
    595,429.20x = 282,107,898,871.92
  5. Step 5: Solve for x
    x = 282,107,898,871.92/595,429.20
  6. Step 6: Final answer
    x = 473,789.16

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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.