Home / 440,726.50-661,276.82-240,813.35

Finding the Fourth Proportional to 440,726.50, 661,276.82 and 240,813.35

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Solution

The fourth proportional to 440,726.50, 661,276.82 and 240,813.35 is: 361,322.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,726.50 : 661,276.82 = 240,813.35 : x
  2. Step 2: Convert to fraction form
    440,726.50/661,276.82 = 240,813.35/x
  3. Step 3: Cross multiply
    440,726.50x = 661,276.82 × 240,813.35
  4. Step 4: Simplify right side
    440,726.50x = 159,244,286,301.55
  5. Step 5: Solve for x
    x = 159,244,286,301.55/440,726.50
  6. Step 6: Final answer
    x = 361,322.24

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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.