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Finding the Fourth Proportional to 655,628.40, 982,902.60 and 295,822.80

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Solution

The fourth proportional to 655,628.40, 982,902.60 and 295,822.80 is: 443,490.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,628.40 : 982,902.60 = 295,822.80 : x
  2. Step 2: Convert to fraction form
    655,628.40/982,902.60 = 295,822.80/x
  3. Step 3: Cross multiply
    655,628.40x = 982,902.60 × 295,822.80
  4. Step 4: Simplify right side
    655,628.40x = 290,764,999,259.28
  5. Step 5: Solve for x
    x = 290,764,999,259.28/655,628.40
  6. Step 6: Final answer
    x = 443,490.55

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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.