Home / 807,675.80-1,211,513.70-492,747.80

Finding the Fourth Proportional to 807,675.80, 1,211,513.70 and 492,747.80

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Solution

The fourth proportional to 807,675.80, 1,211,513.70 and 492,747.80 is: 739,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,675.80 : 1,211,513.70 = 492,747.80 : x
  2. Step 2: Convert to fraction form
    807,675.80/1,211,513.70 = 492,747.80/x
  3. Step 3: Cross multiply
    807,675.80x = 1,211,513.70 × 492,747.80
  4. Step 4: Simplify right side
    807,675.80x = 596,970,710,344.86
  5. Step 5: Solve for x
    x = 596,970,710,344.86/807,675.80
  6. Step 6: Final answer
    x = 739,121.70

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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.