Home / 1,005,769.56-1,508,331.78-331,699.44

Finding the Fourth Proportional to 1,005,769.56, 1,508,331.78 and 331,699.44

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Solution

The fourth proportional to 1,005,769.56, 1,508,331.78 and 331,699.44 is: 497,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,769.56 : 1,508,331.78 = 331,699.44 : x
  2. Step 2: Convert to fraction form
    1,005,769.56/1,508,331.78 = 331,699.44/x
  3. Step 3: Cross multiply
    1,005,769.56x = 1,508,331.78 × 331,699.44
  4. Step 4: Simplify right side
    1,005,769.56x = 500,312,806,760.20
  5. Step 5: Solve for x
    x = 500,312,806,760.20/1,005,769.56
  6. Step 6: Final answer
    x = 497,442.78

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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.