Home / 696,471.98-1,045,003.20-380,559.82

Finding the Fourth Proportional to 696,471.98, 1,045,003.20 and 380,559.82

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Solution

The fourth proportional to 696,471.98, 1,045,003.20 and 380,559.82 is: 571,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,471.98 : 1,045,003.20 = 380,559.82 : x
  2. Step 2: Convert to fraction form
    696,471.98/1,045,003.20 = 380,559.82/x
  3. Step 3: Cross multiply
    696,471.98x = 1,045,003.20 × 380,559.82
  4. Step 4: Simplify right side
    696,471.98x = 397,686,229,691.42
  5. Step 5: Solve for x
    x = 397,686,229,691.42/696,471.98
  6. Step 6: Final answer
    x = 571,001.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.