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Finding the Fourth Proportional to 655,759, 982,981.84 and 255,849.60

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Solution

The fourth proportional to 655,759, 982,981.84 and 255,849.60 is: 383,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,759 : 982,981.84 = 255,849.60 : x
  2. Step 2: Convert to fraction form
    655,759/982,981.84 = 255,849.60/x
  3. Step 3: Cross multiply
    655,759x = 982,981.84 × 255,849.60
  4. Step 4: Simplify right side
    655,759x = 251,495,510,571.26
  5. Step 5: Solve for x
    x = 251,495,510,571.26/655,759
  6. Step 6: Final answer
    x = 383,518.20

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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.