Home / 670,072.28-1,005,296.01-270,993.30

Finding the Fourth Proportional to 670,072.28, 1,005,296.01 and 270,993.30

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Solution

The fourth proportional to 670,072.28, 1,005,296.01 and 270,993.30 is: 406,565.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,072.28 : 1,005,296.01 = 270,993.30 : x
  2. Step 2: Convert to fraction form
    670,072.28/1,005,296.01 = 270,993.30/x
  3. Step 3: Cross multiply
    670,072.28x = 1,005,296.01 × 270,993.30
  4. Step 4: Simplify right side
    670,072.28x = 272,428,483,226.73
  5. Step 5: Solve for x
    x = 272,428,483,226.73/670,072.28
  6. Step 6: Final answer
    x = 406,565.82

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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.