Home / 706,191.20-1,057,904.40-424,872.80

Finding the Fourth Proportional to 706,191.20, 1,057,904.40 and 424,872.80

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Solution

The fourth proportional to 706,191.20, 1,057,904.40 and 424,872.80 is: 636,477.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,191.20 : 1,057,904.40 = 424,872.80 : x
  2. Step 2: Convert to fraction form
    706,191.20/1,057,904.40 = 424,872.80/x
  3. Step 3: Cross multiply
    706,191.20x = 1,057,904.40 × 424,872.80
  4. Step 4: Simplify right side
    706,191.20x = 449,474,804,560.32
  5. Step 5: Solve for x
    x = 449,474,804,560.32/706,191.20
  6. Step 6: Final answer
    x = 636,477.49

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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.