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Finding the Fourth Proportional to 478,868.88, 660,868.84 and 264,008.62

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Solution

The fourth proportional to 478,868.88, 660,868.84 and 264,008.62 is: 364,348.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,868.88 : 660,868.84 = 264,008.62 : x
  2. Step 2: Convert to fraction form
    478,868.88/660,868.84 = 264,008.62/x
  3. Step 3: Cross multiply
    478,868.88x = 660,868.84 × 264,008.62
  4. Step 4: Simplify right side
    478,868.88x = 174,475,070,449.40
  5. Step 5: Solve for x
    x = 174,475,070,449.40/478,868.88
  6. Step 6: Final answer
    x = 364,348.32

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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.