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Finding the Fourth Proportional to 447,233.60, 670,850.40 and 297,934.40

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Solution

The fourth proportional to 447,233.60, 670,850.40 and 297,934.40 is: 446,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,233.60 : 670,850.40 = 297,934.40 : x
  2. Step 2: Convert to fraction form
    447,233.60/670,850.40 = 297,934.40/x
  3. Step 3: Cross multiply
    447,233.60x = 670,850.40 × 297,934.40
  4. Step 4: Simplify right side
    447,233.60x = 199,869,411,413.76
  5. Step 5: Solve for x
    x = 199,869,411,413.76/447,233.60
  6. Step 6: Final answer
    x = 446,901.60

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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.