Home / 915,432.10-1,372,176.15-441,808.90

Finding the Fourth Proportional to 915,432.10, 1,372,176.15 and 441,808.90

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Solution

The fourth proportional to 915,432.10, 1,372,176.15 and 441,808.90 is: 662,244.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,432.10 : 1,372,176.15 = 441,808.90 : x
  2. Step 2: Convert to fraction form
    915,432.10/1,372,176.15 = 441,808.90/x
  3. Step 3: Cross multiply
    915,432.10x = 1,372,176.15 × 441,808.90
  4. Step 4: Simplify right side
    915,432.10x = 606,239,635,437.74
  5. Step 5: Solve for x
    x = 606,239,635,437.74/915,432.10
  6. Step 6: Final answer
    x = 662,244.24

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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.