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Finding the Fourth Proportional to 497,278.42, 746,439.42 and 440,714.23

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Solution

The fourth proportional to 497,278.42, 746,439.42 and 440,714.23 is: 661,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,278.42 : 746,439.42 = 440,714.23 : x
  2. Step 2: Convert to fraction form
    497,278.42/746,439.42 = 440,714.23/x
  3. Step 3: Cross multiply
    497,278.42x = 746,439.42 × 440,714.23
  4. Step 4: Simplify right side
    497,278.42x = 328,966,474,226.95
  5. Step 5: Solve for x
    x = 328,966,474,226.95/497,278.42
  6. Step 6: Final answer
    x = 661,533.78

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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.