Home / 957,572.78-1,321,449.93-527,860.08

Finding the Fourth Proportional to 957,572.78, 1,321,449.93 and 527,860.08

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Solution

The fourth proportional to 957,572.78, 1,321,449.93 and 527,860.08 is: 728,446.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,572.78 : 1,321,449.93 = 527,860.08 : x
  2. Step 2: Convert to fraction form
    957,572.78/1,321,449.93 = 527,860.08/x
  3. Step 3: Cross multiply
    957,572.78x = 1,321,449.93 × 527,860.08
  4. Step 4: Simplify right side
    957,572.78x = 697,540,665,765.79
  5. Step 5: Solve for x
    x = 697,540,665,765.79/957,572.78
  6. Step 6: Final answer
    x = 728,446.64

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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.