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Finding the Fourth Proportional to 441,612.40, 609,421.40 and 240,407.92

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Solution

The fourth proportional to 441,612.40, 609,421.40 and 240,407.92 is: 331,760.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,612.40 : 609,421.40 = 240,407.92 : x
  2. Step 2: Convert to fraction form
    441,612.40/609,421.40 = 240,407.92/x
  3. Step 3: Cross multiply
    441,612.40x = 609,421.40 × 240,407.92
  4. Step 4: Simplify right side
    441,612.40x = 146,509,731,177.49
  5. Step 5: Solve for x
    x = 146,509,731,177.49/441,612.40
  6. Step 6: Final answer
    x = 331,760.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.