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Finding the Fourth Proportional to 486,248.04, 729,590.22 and 308,707.56

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Solution

The fourth proportional to 486,248.04, 729,590.22 and 308,707.56 is: 463,199.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,248.04 : 729,590.22 = 308,707.56 : x
  2. Step 2: Convert to fraction form
    486,248.04/729,590.22 = 308,707.56/x
  3. Step 3: Cross multiply
    486,248.04x = 729,590.22 × 308,707.56
  4. Step 4: Simplify right side
    486,248.04x = 225,230,016,616.06
  5. Step 5: Solve for x
    x = 225,230,016,616.06/486,248.04
  6. Step 6: Final answer
    x = 463,199.84

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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.