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Finding the Fourth Proportional to 440,448.96, 607,870.56 and 413,425.92

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Solution

The fourth proportional to 440,448.96, 607,870.56 and 413,425.92 is: 570,575.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,448.96 : 607,870.56 = 413,425.92 : x
  2. Step 2: Convert to fraction form
    440,448.96/607,870.56 = 413,425.92/x
  3. Step 3: Cross multiply
    440,448.96x = 607,870.56 × 413,425.92
  4. Step 4: Simplify right side
    440,448.96x = 251,309,445,508.92
  5. Step 5: Solve for x
    x = 251,309,445,508.92/440,448.96
  6. Step 6: Final answer
    x = 570,575.64

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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.