Home / 432,961.40-649,442.10-415,246.70

Finding the Fourth Proportional to 432,961.40, 649,442.10 and 415,246.70

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Solution

The fourth proportional to 432,961.40, 649,442.10 and 415,246.70 is: 622,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,961.40 : 649,442.10 = 415,246.70 : x
  2. Step 2: Convert to fraction form
    432,961.40/649,442.10 = 415,246.70/x
  3. Step 3: Cross multiply
    432,961.40x = 649,442.10 × 415,246.70
  4. Step 4: Simplify right side
    432,961.40x = 269,678,688,866.07
  5. Step 5: Solve for x
    x = 269,678,688,866.07/432,961.40
  6. Step 6: Final answer
    x = 622,870.05

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Similar ratio
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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.