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Finding the Fourth Proportional to 584,649.44, 877,244.80 and 318,092.48

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Solution

The fourth proportional to 584,649.44, 877,244.80 and 318,092.48 is: 477,285.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,649.44 : 877,244.80 = 318,092.48 : x
  2. Step 2: Convert to fraction form
    584,649.44/877,244.80 = 318,092.48/x
  3. Step 3: Cross multiply
    584,649.44x = 877,244.80 × 318,092.48
  4. Step 4: Simplify right side
    584,649.44x = 279,044,973,999.10
  5. Step 5: Solve for x
    x = 279,044,973,999.10/584,649.44
  6. Step 6: Final answer
    x = 477,285.97

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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.