Home / 677,296.90-1,016,000.57-340,164.10

Finding the Fourth Proportional to 677,296.90, 1,016,000.57 and 340,164.10

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Solution

The fourth proportional to 677,296.90, 1,016,000.57 and 340,164.10 is: 510,273.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,296.90 : 1,016,000.57 = 340,164.10 : x
  2. Step 2: Convert to fraction form
    677,296.90/1,016,000.57 = 340,164.10/x
  3. Step 3: Cross multiply
    677,296.90x = 1,016,000.57 × 340,164.10
  4. Step 4: Simplify right side
    677,296.90x = 345,606,919,493.54
  5. Step 5: Solve for x
    x = 345,606,919,493.54/677,296.90
  6. Step 6: Final answer
    x = 510,273.88

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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.