Home / 804,319.80-1,206,683.91-372,348.69

Finding the Fourth Proportional to 804,319.80, 1,206,683.91 and 372,348.69

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Solution

The fourth proportional to 804,319.80, 1,206,683.91 and 372,348.69 is: 558,617.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,319.80 : 1,206,683.91 = 372,348.69 : x
  2. Step 2: Convert to fraction form
    804,319.80/1,206,683.91 = 372,348.69/x
  3. Step 3: Cross multiply
    804,319.80x = 1,206,683.91 × 372,348.69
  4. Step 4: Simplify right side
    804,319.80x = 449,307,173,132.58
  5. Step 5: Solve for x
    x = 449,307,173,132.58/804,319.80
  6. Step 6: Final answer
    x = 558,617.57

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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.