Home / 854,854.80-1,282,397.40-294,061.20

Finding the Fourth Proportional to 854,854.80, 1,282,397.40 and 294,061.20

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Solution

The fourth proportional to 854,854.80, 1,282,397.40 and 294,061.20 is: 441,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,854.80 : 1,282,397.40 = 294,061.20 : x
  2. Step 2: Convert to fraction form
    854,854.80/1,282,397.40 = 294,061.20/x
  3. Step 3: Cross multiply
    854,854.80x = 1,282,397.40 × 294,061.20
  4. Step 4: Simplify right side
    854,854.80x = 377,103,318,320.88
  5. Step 5: Solve for x
    x = 377,103,318,320.88/854,854.80
  6. Step 6: Final answer
    x = 441,131.43

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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.