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Finding the Fourth Proportional to 542,685.66, 748,952.21 and 301,046.08

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Solution

The fourth proportional to 542,685.66, 748,952.21 and 301,046.08 is: 415,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,685.66 : 748,952.21 = 301,046.08 : x
  2. Step 2: Convert to fraction form
    542,685.66/748,952.21 = 301,046.08/x
  3. Step 3: Cross multiply
    542,685.66x = 748,952.21 × 301,046.08
  4. Step 4: Simplify right side
    542,685.66x = 225,469,126,927.84
  5. Step 5: Solve for x
    x = 225,469,126,927.84/542,685.66
  6. Step 6: Final answer
    x = 415,469.11

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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.