Home / 715,686.12-1,073,660.40-294,732.36

Finding the Fourth Proportional to 715,686.12, 1,073,660.40 and 294,732.36

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Solution

The fourth proportional to 715,686.12, 1,073,660.40 and 294,732.36 is: 442,152.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,686.12 : 1,073,660.40 = 294,732.36 : x
  2. Step 2: Convert to fraction form
    715,686.12/1,073,660.40 = 294,732.36/x
  3. Step 3: Cross multiply
    715,686.12x = 1,073,660.40 × 294,732.36
  4. Step 4: Simplify right side
    715,686.12x = 316,442,463,530.54
  5. Step 5: Solve for x
    x = 316,442,463,530.54/715,686.12
  6. Step 6: Final answer
    x = 442,152.58

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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.