Home / 971,705.25-1,340,949.78-541,985.06

Finding the Fourth Proportional to 971,705.25, 1,340,949.78 and 541,985.06

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Solution

The fourth proportional to 971,705.25, 1,340,949.78 and 541,985.06 is: 747,937.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,705.25 : 1,340,949.78 = 541,985.06 : x
  2. Step 2: Convert to fraction form
    971,705.25/1,340,949.78 = 541,985.06/x
  3. Step 3: Cross multiply
    971,705.25x = 1,340,949.78 × 541,985.06
  4. Step 4: Simplify right side
    971,705.25x = 726,774,740,265.54
  5. Step 5: Solve for x
    x = 726,774,740,265.54/971,705.25
  6. Step 6: Final answer
    x = 747,937.44

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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.