Home / 791,082.58-1,091,615.76-442,157.66

Finding the Fourth Proportional to 791,082.58, 1,091,615.76 and 442,157.66

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Solution

The fourth proportional to 791,082.58, 1,091,615.76 and 442,157.66 is: 610,133.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,082.58 : 1,091,615.76 = 442,157.66 : x
  2. Step 2: Convert to fraction form
    791,082.58/1,091,615.76 = 442,157.66/x
  3. Step 3: Cross multiply
    791,082.58x = 1,091,615.76 × 442,157.66
  4. Step 4: Simplify right side
    791,082.58x = 482,666,270,060.72
  5. Step 5: Solve for x
    x = 482,666,270,060.72/791,082.58
  6. Step 6: Final answer
    x = 610,133.86

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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.