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Finding the Fourth Proportional to 676,179.72, 933,086.73 and 370,259.73

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Solution

The fourth proportional to 676,179.72, 933,086.73 and 370,259.73 is: 510,935.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,179.72 : 933,086.73 = 370,259.73 : x
  2. Step 2: Convert to fraction form
    676,179.72/933,086.73 = 370,259.73/x
  3. Step 3: Cross multiply
    676,179.72x = 933,086.73 × 370,259.73
  4. Step 4: Simplify right side
    676,179.72x = 345,484,440,716.38
  5. Step 5: Solve for x
    x = 345,484,440,716.38/676,179.72
  6. Step 6: Final answer
    x = 510,935.82

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.