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Finding the Fourth Proportional to 547,641.40, 820,847.70 and 232,044.60

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Solution

The fourth proportional to 547,641.40, 820,847.70 and 232,044.60 is: 347,806.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,641.40 : 820,847.70 = 232,044.60 : x
  2. Step 2: Convert to fraction form
    547,641.40/820,847.70 = 232,044.60/x
  3. Step 3: Cross multiply
    547,641.40x = 820,847.70 × 232,044.60
  4. Step 4: Simplify right side
    547,641.40x = 190,473,276,207.42
  5. Step 5: Solve for x
    x = 190,473,276,207.42/547,641.40
  6. Step 6: Final answer
    x = 347,806.57

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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.