Home / 698,725.85-1,048,310.22-249,436.78

Finding the Fourth Proportional to 698,725.85, 1,048,310.22 and 249,436.78

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Solution

The fourth proportional to 698,725.85, 1,048,310.22 and 249,436.78 is: 374,234.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,725.85 : 1,048,310.22 = 249,436.78 : x
  2. Step 2: Convert to fraction form
    698,725.85/1,048,310.22 = 249,436.78/x
  3. Step 3: Cross multiply
    698,725.85x = 1,048,310.22 × 249,436.78
  4. Step 4: Simplify right side
    698,725.85x = 261,487,120,476.34
  5. Step 5: Solve for x
    x = 261,487,120,476.34/698,725.85
  6. Step 6: Final answer
    x = 374,234.22

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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.