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Finding the Fourth Proportional to 662,725.40, 994,217.70 and 283,645.40

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Solution

The fourth proportional to 662,725.40, 994,217.70 and 283,645.40 is: 425,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,725.40 : 994,217.70 = 283,645.40 : x
  2. Step 2: Convert to fraction form
    662,725.40/994,217.70 = 283,645.40/x
  3. Step 3: Cross multiply
    662,725.40x = 994,217.70 × 283,645.40
  4. Step 4: Simplify right side
    662,725.40x = 282,005,277,203.58
  5. Step 5: Solve for x
    x = 282,005,277,203.58/662,725.40
  6. Step 6: Final answer
    x = 425,523.57

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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.