Home / 892,371.38-1,230,283.10-709,221.52

Finding the Fourth Proportional to 892,371.38, 1,230,283.10 and 709,221.52

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Solution

The fourth proportional to 892,371.38, 1,230,283.10 and 709,221.52 is: 977,780.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,371.38 : 1,230,283.10 = 709,221.52 : x
  2. Step 2: Convert to fraction form
    892,371.38/1,230,283.10 = 709,221.52/x
  3. Step 3: Cross multiply
    892,371.38x = 1,230,283.10 × 709,221.52
  4. Step 4: Simplify right side
    892,371.38x = 872,543,248,023.13
  5. Step 5: Solve for x
    x = 872,543,248,023.13/892,371.38
  6. Step 6: Final answer
    x = 977,780.41

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1.5x scale

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.