Home / 786,257.50-1,179,386.25-225,292

Finding the Fourth Proportional to 786,257.50, 1,179,386.25 and 225,292

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Solution

The fourth proportional to 786,257.50, 1,179,386.25 and 225,292 is: 337,938

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,257.50 : 1,179,386.25 = 225,292 : x
  2. Step 2: Convert to fraction form
    786,257.50/1,179,386.25 = 225,292/x
  3. Step 3: Cross multiply
    786,257.50x = 1,179,386.25 × 225,292
  4. Step 4: Simplify right side
    786,257.50x = 265,706,287,035
  5. Step 5: Solve for x
    x = 265,706,287,035/786,257.50
  6. Step 6: Final answer
    x = 337,938

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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.