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Finding the Fourth Proportional to 439,323.01, 658,302.91 and 304,649.78

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Solution

The fourth proportional to 439,323.01, 658,302.91 and 304,649.78 is: 456,502.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,323.01 : 658,302.91 = 304,649.78 : x
  2. Step 2: Convert to fraction form
    439,323.01/658,302.91 = 304,649.78/x
  3. Step 3: Cross multiply
    439,323.01x = 658,302.91 × 304,649.78
  4. Step 4: Simplify right side
    439,323.01x = 200,551,833,794.16
  5. Step 5: Solve for x
    x = 200,551,833,794.16/439,323.01
  6. Step 6: Final answer
    x = 456,502.00

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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.