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Finding the Fourth Proportional to 655,233.80, 982,883.10 and 340,305.80

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Solution

The fourth proportional to 655,233.80, 982,883.10 and 340,305.80 is: 510,475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,233.80 : 982,883.10 = 340,305.80 : x
  2. Step 2: Convert to fraction form
    655,233.80/982,883.10 = 340,305.80/x
  3. Step 3: Cross multiply
    655,233.80x = 982,883.10 × 340,305.80
  4. Step 4: Simplify right side
    655,233.80x = 334,480,819,651.98
  5. Step 5: Solve for x
    x = 334,480,819,651.98/655,233.80
  6. Step 6: Final answer
    x = 510,475.53

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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.