Home / 778,851.36-1,167,983.28-273,255.84

Finding the Fourth Proportional to 778,851.36, 1,167,983.28 and 273,255.84

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Solution

The fourth proportional to 778,851.36, 1,167,983.28 and 273,255.84 is: 409,780.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,851.36 : 1,167,983.28 = 273,255.84 : x
  2. Step 2: Convert to fraction form
    778,851.36/1,167,983.28 = 273,255.84/x
  3. Step 3: Cross multiply
    778,851.36x = 1,167,983.28 × 273,255.84
  4. Step 4: Simplify right side
    778,851.36x = 319,158,252,282.36
  5. Step 5: Solve for x
    x = 319,158,252,282.36/778,851.36
  6. Step 6: Final answer
    x = 409,780.70

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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.