Home / 674,979.30-1,012,728.15-664,352.10

Finding the Fourth Proportional to 674,979.30, 1,012,728.15 and 664,352.10

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Solution

The fourth proportional to 674,979.30, 1,012,728.15 and 664,352.10 is: 996,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,979.30 : 1,012,728.15 = 664,352.10 : x
  2. Step 2: Convert to fraction form
    674,979.30/1,012,728.15 = 664,352.10/x
  3. Step 3: Cross multiply
    674,979.30x = 1,012,728.15 × 664,352.10
  4. Step 4: Simplify right side
    674,979.30x = 672,808,073,181.62
  5. Step 5: Solve for x
    x = 672,808,073,181.62/674,979.30
  6. Step 6: Final answer
    x = 996,783.27

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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.