Home / 670,221.59-1,006,048.62-271,123.25

Finding the Fourth Proportional to 670,221.59, 1,006,048.62 and 271,123.25

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Solution

The fourth proportional to 670,221.59, 1,006,048.62 and 271,123.25 is: 406,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,221.59 : 1,006,048.62 = 271,123.25 : x
  2. Step 2: Convert to fraction form
    670,221.59/1,006,048.62 = 271,123.25/x
  3. Step 3: Cross multiply
    670,221.59x = 1,006,048.62 × 271,123.25
  4. Step 4: Simplify right side
    670,221.59x = 272,763,166,482.17
  5. Step 5: Solve for x
    x = 272,763,166,482.17/670,221.59
  6. Step 6: Final answer
    x = 406,974.61

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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.