Home / 663,062.10-993,937.05-325,826.70

Finding the Fourth Proportional to 663,062.10, 993,937.05 and 325,826.70

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Solution

The fourth proportional to 663,062.10, 993,937.05 and 325,826.70 is: 488,417.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,062.10 : 993,937.05 = 325,826.70 : x
  2. Step 2: Convert to fraction form
    663,062.10/993,937.05 = 325,826.70/x
  3. Step 3: Cross multiply
    663,062.10x = 993,937.05 × 325,826.70
  4. Step 4: Simplify right side
    663,062.10x = 323,851,229,009.24
  5. Step 5: Solve for x
    x = 323,851,229,009.24/663,062.10
  6. Step 6: Final answer
    x = 488,417.64

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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.