Home / 779,860.76-1,169,791.16-281,224.76

Finding the Fourth Proportional to 779,860.76, 1,169,791.16 and 281,224.76

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Solution

The fourth proportional to 779,860.76, 1,169,791.16 and 281,224.76 is: 421,837.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,860.76 : 1,169,791.16 = 281,224.76 : x
  2. Step 2: Convert to fraction form
    779,860.76/1,169,791.16 = 281,224.76/x
  3. Step 3: Cross multiply
    779,860.76x = 1,169,791.16 × 281,224.76
  4. Step 4: Simplify right side
    779,860.76x = 328,974,238,221.12
  5. Step 5: Solve for x
    x = 328,974,238,221.12/779,860.76
  6. Step 6: Final answer
    x = 421,837.15

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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.