Home / 670,114.69-1,005,296.57-220,867.12

Finding the Fourth Proportional to 670,114.69, 1,005,296.57 and 220,867.12

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Solution

The fourth proportional to 670,114.69, 1,005,296.57 and 220,867.12 is: 331,341.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,114.69 : 1,005,296.57 = 220,867.12 : x
  2. Step 2: Convert to fraction form
    670,114.69/1,005,296.57 = 220,867.12/x
  3. Step 3: Cross multiply
    670,114.69x = 1,005,296.57 × 220,867.12
  4. Step 4: Simplify right side
    670,114.69x = 222,036,959,142.32
  5. Step 5: Solve for x
    x = 222,036,959,142.32/670,114.69
  6. Step 6: Final answer
    x = 331,341.73

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Double scale
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Similar ratio
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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.