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Finding the Fourth Proportional to 493,452.48, 680,964.80 and 267,097.28

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Solution

The fourth proportional to 493,452.48, 680,964.80 and 267,097.28 is: 368,594.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,452.48 : 680,964.80 = 267,097.28 : x
  2. Step 2: Convert to fraction form
    493,452.48/680,964.80 = 267,097.28/x
  3. Step 3: Cross multiply
    493,452.48x = 680,964.80 × 267,097.28
  4. Step 4: Simplify right side
    493,452.48x = 181,883,845,855.74
  5. Step 5: Solve for x
    x = 181,883,845,855.74/493,452.48
  6. Step 6: Final answer
    x = 368,594.45

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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.