Home / 960,819.92-1,326,013.32-558,386

Finding the Fourth Proportional to 960,819.92, 1,326,013.32 and 558,386

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Solution

The fourth proportional to 960,819.92, 1,326,013.32 and 558,386 is: 770,620.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,819.92 : 1,326,013.32 = 558,386 : x
  2. Step 2: Convert to fraction form
    960,819.92/1,326,013.32 = 558,386/x
  3. Step 3: Cross multiply
    960,819.92x = 1,326,013.32 × 558,386
  4. Step 4: Simplify right side
    960,819.92x = 740,427,273,701.52
  5. Step 5: Solve for x
    x = 740,427,273,701.52/960,819.92
  6. Step 6: Final answer
    x = 770,620.24

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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.