Home / 671,966.40-1,007,949.60-251,187.60

Finding the Fourth Proportional to 671,966.40, 1,007,949.60 and 251,187.60

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Solution

The fourth proportional to 671,966.40, 1,007,949.60 and 251,187.60 is: 376,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,966.40 : 1,007,949.60 = 251,187.60 : x
  2. Step 2: Convert to fraction form
    671,966.40/1,007,949.60 = 251,187.60/x
  3. Step 3: Cross multiply
    671,966.40x = 1,007,949.60 × 251,187.60
  4. Step 4: Simplify right side
    671,966.40x = 253,184,440,944.96
  5. Step 5: Solve for x
    x = 253,184,440,944.96/671,966.40
  6. Step 6: Final answer
    x = 376,781.40

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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.