Home / 928,004.10-1,392,006.15-571,863.30

Finding the Fourth Proportional to 928,004.10, 1,392,006.15 and 571,863.30

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Solution

The fourth proportional to 928,004.10, 1,392,006.15 and 571,863.30 is: 857,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,004.10 : 1,392,006.15 = 571,863.30 : x
  2. Step 2: Convert to fraction form
    928,004.10/1,392,006.15 = 571,863.30/x
  3. Step 3: Cross multiply
    928,004.10x = 1,392,006.15 × 571,863.30
  4. Step 4: Simplify right side
    928,004.10x = 796,037,230,559.30
  5. Step 5: Solve for x
    x = 796,037,230,559.30/928,004.10
  6. Step 6: Final answer
    x = 857,794.95

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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.