Home / 706,243.20-1,057,982.40-424,924.80

Finding the Fourth Proportional to 706,243.20, 1,057,982.40 and 424,924.80

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Solution

The fourth proportional to 706,243.20, 1,057,982.40 and 424,924.80 is: 636,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,243.20 : 1,057,982.40 = 424,924.80 : x
  2. Step 2: Convert to fraction form
    706,243.20/1,057,982.40 = 424,924.80/x
  3. Step 3: Cross multiply
    706,243.20x = 1,057,982.40 × 424,924.80
  4. Step 4: Simplify right side
    706,243.20x = 449,562,959,723.52
  5. Step 5: Solve for x
    x = 449,562,959,723.52/706,243.20
  6. Step 6: Final answer
    x = 636,555.45

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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.