Home / 497,305.20-746,479.56-440,740.98

Finding the Fourth Proportional to 497,305.20, 746,479.56 and 440,740.98

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Solution

The fourth proportional to 497,305.20, 746,479.56 and 440,740.98 is: 661,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,305.20 : 746,479.56 = 440,740.98 : x
  2. Step 2: Convert to fraction form
    497,305.20/746,479.56 = 440,740.98/x
  3. Step 3: Cross multiply
    497,305.20x = 746,479.56 × 440,740.98
  4. Step 4: Simplify right side
    497,305.20x = 329,004,132,824.37
  5. Step 5: Solve for x
    x = 329,004,132,824.37/497,305.20
  6. Step 6: Final answer
    x = 661,573.88

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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.