Home / 440,837.92-660,732-306,993.52

Finding the Fourth Proportional to 440,837.92, 660,732 and 306,993.52

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Solution

The fourth proportional to 440,837.92, 660,732 and 306,993.52 is: 460,124.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,837.92 : 660,732 = 306,993.52 : x
  2. Step 2: Convert to fraction form
    440,837.92/660,732 = 306,993.52/x
  3. Step 3: Cross multiply
    440,837.92x = 660,732 × 306,993.52
  4. Step 4: Simplify right side
    440,837.92x = 202,840,442,456.64
  5. Step 5: Solve for x
    x = 202,840,442,456.64/440,837.92
  6. Step 6: Final answer
    x = 460,124.76

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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.