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Finding the Fourth Proportional to 488,637.42, 729,613.88 and 437,707.65

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Solution

The fourth proportional to 488,637.42, 729,613.88 and 437,707.65 is: 653,567.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,637.42 : 729,613.88 = 437,707.65 : x
  2. Step 2: Convert to fraction form
    488,637.42/729,613.88 = 437,707.65/x
  3. Step 3: Cross multiply
    488,637.42x = 729,613.88 × 437,707.65
  4. Step 4: Simplify right side
    488,637.42x = 319,357,580,652.50
  5. Step 5: Solve for x
    x = 319,357,580,652.50/488,637.42
  6. Step 6: Final answer
    x = 653,567.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.