Home / 591,770.20-887,072.10-292,005.40

Finding the Fourth Proportional to 591,770.20, 887,072.10 and 292,005.40

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Solution

The fourth proportional to 591,770.20, 887,072.10 and 292,005.40 is: 437,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,770.20 : 887,072.10 = 292,005.40 : x
  2. Step 2: Convert to fraction form
    591,770.20/887,072.10 = 292,005.40/x
  3. Step 3: Cross multiply
    591,770.20x = 887,072.10 × 292,005.40
  4. Step 4: Simplify right side
    591,770.20x = 259,029,843,389.34
  5. Step 5: Solve for x
    x = 259,029,843,389.34/591,770.20
  6. Step 6: Final answer
    x = 437,720.32

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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.