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Finding the Fourth Proportional to 592,649.96, 889,221.04 and 379,658

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Solution

The fourth proportional to 592,649.96, 889,221.04 and 379,658 is: 569,644.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,649.96 : 889,221.04 = 379,658 : x
  2. Step 2: Convert to fraction form
    592,649.96/889,221.04 = 379,658/x
  3. Step 3: Cross multiply
    592,649.96x = 889,221.04 × 379,658
  4. Step 4: Simplify right side
    592,649.96x = 337,599,881,604.32
  5. Step 5: Solve for x
    x = 337,599,881,604.32/592,649.96
  6. Step 6: Final answer
    x = 569,644.65

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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.