Home / 917,331.60-1,375,997.40-444,939.60

Finding the Fourth Proportional to 917,331.60, 1,375,997.40 and 444,939.60

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Solution

The fourth proportional to 917,331.60, 1,375,997.40 and 444,939.60 is: 667,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,331.60 : 1,375,997.40 = 444,939.60 : x
  2. Step 2: Convert to fraction form
    917,331.60/1,375,997.40 = 444,939.60/x
  3. Step 3: Cross multiply
    917,331.60x = 1,375,997.40 × 444,939.60
  4. Step 4: Simplify right side
    917,331.60x = 612,235,732,757.04
  5. Step 5: Solve for x
    x = 612,235,732,757.04/917,331.60
  6. Step 6: Final answer
    x = 667,409.40

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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.