Home / 805,460.69-1,206,559.14-372,562.88

Finding the Fourth Proportional to 805,460.69, 1,206,559.14 and 372,562.88

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Solution

The fourth proportional to 805,460.69, 1,206,559.14 and 372,562.88 is: 558,089.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,460.69 : 1,206,559.14 = 372,562.88 : x
  2. Step 2: Convert to fraction form
    805,460.69/1,206,559.14 = 372,562.88/x
  3. Step 3: Cross multiply
    805,460.69x = 1,206,559.14 × 372,562.88
  4. Step 4: Simplify right side
    805,460.69x = 449,519,142,754.48
  5. Step 5: Solve for x
    x = 449,519,142,754.48/805,460.69
  6. Step 6: Final answer
    x = 558,089.48

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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.