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Finding the Fourth Proportional to 557,281.32, 769,027.68 and 302,627.04

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Solution

The fourth proportional to 557,281.32, 769,027.68 and 302,627.04 is: 417,614.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,281.32 : 769,027.68 = 302,627.04 : x
  2. Step 2: Convert to fraction form
    557,281.32/769,027.68 = 302,627.04/x
  3. Step 3: Cross multiply
    557,281.32x = 769,027.68 × 302,627.04
  4. Step 4: Simplify right side
    557,281.32x = 232,728,570,476.47
  5. Step 5: Solve for x
    x = 232,728,570,476.47/557,281.32
  6. Step 6: Final answer
    x = 417,614.16

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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.