Home / 783,472.80-1,175,313.82-310,047.52

Finding the Fourth Proportional to 783,472.80, 1,175,313.82 and 310,047.52

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Solution

The fourth proportional to 783,472.80, 1,175,313.82 and 310,047.52 is: 465,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,472.80 : 1,175,313.82 = 310,047.52 : x
  2. Step 2: Convert to fraction form
    783,472.80/1,175,313.82 = 310,047.52/x
  3. Step 3: Cross multiply
    783,472.80x = 1,175,313.82 × 310,047.52
  4. Step 4: Simplify right side
    783,472.80x = 364,403,135,112.73
  5. Step 5: Solve for x
    x = 364,403,135,112.73/783,472.80
  6. Step 6: Final answer
    x = 465,112.68

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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.