Home / 961,505.37-1,442,260.52-392,886.48

Finding the Fourth Proportional to 961,505.37, 1,442,260.52 and 392,886.48

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Solution

The fourth proportional to 961,505.37, 1,442,260.52 and 392,886.48 is: 589,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,505.37 : 1,442,260.52 = 392,886.48 : x
  2. Step 2: Convert to fraction form
    961,505.37/1,442,260.52 = 392,886.48/x
  3. Step 3: Cross multiply
    961,505.37x = 1,442,260.52 × 392,886.48
  4. Step 4: Simplify right side
    961,505.37x = 566,644,663,863.14
  5. Step 5: Solve for x
    x = 566,644,663,863.14/961,505.37
  6. Step 6: Final answer
    x = 589,330.73

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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.