Home / 971,321.22-1,340,071.70-563,198.27

Finding the Fourth Proportional to 971,321.22, 1,340,071.70 and 563,198.27

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Solution

The fourth proportional to 971,321.22, 1,340,071.70 and 563,198.27 is: 777,009.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,321.22 : 1,340,071.70 = 563,198.27 : x
  2. Step 2: Convert to fraction form
    971,321.22/1,340,071.70 = 563,198.27/x
  3. Step 3: Cross multiply
    971,321.22x = 1,340,071.70 × 563,198.27
  4. Step 4: Simplify right side
    971,321.22x = 754,726,053,599.61
  5. Step 5: Solve for x
    x = 754,726,053,599.61/971,321.22
  6. Step 6: Final answer
    x = 777,009.75

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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.