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Finding the Fourth Proportional to 655,952.76, 982,971.72 and 290,773.80

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Solution

The fourth proportional to 655,952.76, 982,971.72 and 290,773.80 is: 435,736.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,952.76 : 982,971.72 = 290,773.80 : x
  2. Step 2: Convert to fraction form
    655,952.76/982,971.72 = 290,773.80/x
  3. Step 3: Cross multiply
    655,952.76x = 982,971.72 × 290,773.80
  4. Step 4: Simplify right side
    655,952.76x = 285,822,422,316.94
  5. Step 5: Solve for x
    x = 285,822,422,316.94/655,952.76
  6. Step 6: Final answer
    x = 435,736.29

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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.