Home / 971,180.73-1,340,327.39-563,407.29

Finding the Fourth Proportional to 971,180.73, 1,340,327.39 and 563,407.29

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Solution

The fourth proportional to 971,180.73, 1,340,327.39 and 563,407.29 is: 777,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,180.73 : 1,340,327.39 = 563,407.29 : x
  2. Step 2: Convert to fraction form
    971,180.73/1,340,327.39 = 563,407.29/x
  3. Step 3: Cross multiply
    971,180.73x = 1,340,327.39 × 563,407.29
  4. Step 4: Simplify right side
    971,180.73x = 755,150,219,695.64
  5. Step 5: Solve for x
    x = 755,150,219,695.64/971,180.73
  6. Step 6: Final answer
    x = 777,558.90

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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.