Home / 671,808.30-1,007,712.45-222,408.30

Finding the Fourth Proportional to 671,808.30, 1,007,712.45 and 222,408.30

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Solution

The fourth proportional to 671,808.30, 1,007,712.45 and 222,408.30 is: 333,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,808.30 : 1,007,712.45 = 222,408.30 : x
  2. Step 2: Convert to fraction form
    671,808.30/1,007,712.45 = 222,408.30/x
  3. Step 3: Cross multiply
    671,808.30x = 1,007,712.45 × 222,408.30
  4. Step 4: Simplify right side
    671,808.30x = 224,123,612,893.34
  5. Step 5: Solve for x
    x = 224,123,612,893.34/671,808.30
  6. Step 6: Final answer
    x = 333,612.45

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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.