Home / 915,602.85-1,372,432.28-441,979.65

Finding the Fourth Proportional to 915,602.85, 1,372,432.28 and 441,979.65

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Solution

The fourth proportional to 915,602.85, 1,372,432.28 and 441,979.65 is: 662,500.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,602.85 : 1,372,432.28 = 441,979.65 : x
  2. Step 2: Convert to fraction form
    915,602.85/1,372,432.28 = 441,979.65/x
  3. Step 3: Cross multiply
    915,602.85x = 1,372,432.28 × 441,979.65
  4. Step 4: Simplify right side
    915,602.85x = 606,587,136,553.20
  5. Step 5: Solve for x
    x = 606,587,136,553.20/915,602.85
  6. Step 6: Final answer
    x = 662,500.27

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1.5x scale

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.