Home / 663,642.28-995,467.02-165,006.28

Finding the Fourth Proportional to 663,642.28, 995,467.02 and 165,006.28

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Solution

The fourth proportional to 663,642.28, 995,467.02 and 165,006.28 is: 247,510.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,642.28 : 995,467.02 = 165,006.28 : x
  2. Step 2: Convert to fraction form
    663,642.28/995,467.02 = 165,006.28/x
  3. Step 3: Cross multiply
    663,642.28x = 995,467.02 × 165,006.28
  4. Step 4: Simplify right side
    663,642.28x = 164,258,309,832.89
  5. Step 5: Solve for x
    x = 164,258,309,832.89/663,642.28
  6. Step 6: Final answer
    x = 247,510.32

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1.5x scale

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.