Home / 773,033.60-1,158,974.40-399,324.80

Finding the Fourth Proportional to 773,033.60, 1,158,974.40 and 399,324.80

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Solution

The fourth proportional to 773,033.60, 1,158,974.40 and 399,324.80 is: 598,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,033.60 : 1,158,974.40 = 399,324.80 : x
  2. Step 2: Convert to fraction form
    773,033.60/1,158,974.40 = 399,324.80/x
  3. Step 3: Cross multiply
    773,033.60x = 1,158,974.40 × 399,324.80
  4. Step 4: Simplify right side
    773,033.60x = 462,807,220,485.12
  5. Step 5: Solve for x
    x = 462,807,220,485.12/773,033.60
  6. Step 6: Final answer
    x = 598,689.66

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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.