Home / 806,123.76-1,112,333.40-483,765.36

Finding the Fourth Proportional to 806,123.76, 1,112,333.40 and 483,765.36

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Solution

The fourth proportional to 806,123.76, 1,112,333.40 and 483,765.36 is: 667,525.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,123.76 : 1,112,333.40 = 483,765.36 : x
  2. Step 2: Convert to fraction form
    806,123.76/1,112,333.40 = 483,765.36/x
  3. Step 3: Cross multiply
    806,123.76x = 1,112,333.40 × 483,765.36
  4. Step 4: Simplify right side
    806,123.76x = 538,108,367,691.02
  5. Step 5: Solve for x
    x = 538,108,367,691.02/806,123.76
  6. Step 6: Final answer
    x = 667,525.75

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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.