Home / 670,670.10-1,006,005.15-221,460.30

Finding the Fourth Proportional to 670,670.10, 1,006,005.15 and 221,460.30

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Solution

The fourth proportional to 670,670.10, 1,006,005.15 and 221,460.30 is: 332,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,670.10 : 1,006,005.15 = 221,460.30 : x
  2. Step 2: Convert to fraction form
    670,670.10/1,006,005.15 = 221,460.30/x
  3. Step 3: Cross multiply
    670,670.10x = 1,006,005.15 × 221,460.30
  4. Step 4: Simplify right side
    670,670.10x = 222,790,202,320.55
  5. Step 5: Solve for x
    x = 222,790,202,320.55/670,670.10
  6. Step 6: Final answer
    x = 332,190.45

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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.