Home / 853,936.92-1,281,127.14-254,898.18

Finding the Fourth Proportional to 853,936.92, 1,281,127.14 and 254,898.18

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Solution

The fourth proportional to 853,936.92, 1,281,127.14 and 254,898.18 is: 382,413.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,936.92 : 1,281,127.14 = 254,898.18 : x
  2. Step 2: Convert to fraction form
    853,936.92/1,281,127.14 = 254,898.18/x
  3. Step 3: Cross multiply
    853,936.92x = 1,281,127.14 × 254,898.18
  4. Step 4: Simplify right side
    853,936.92x = 326,556,976,334.61
  5. Step 5: Solve for x
    x = 326,556,976,334.61/853,936.92
  6. Step 6: Final answer
    x = 382,413.46

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1.5x scale

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.