Home / 803,851.15-1,206,013.56-323,831.92

Finding the Fourth Proportional to 803,851.15, 1,206,013.56 and 323,831.92

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Solution

The fourth proportional to 803,851.15, 1,206,013.56 and 323,831.92 is: 485,843.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,851.15 : 1,206,013.56 = 323,831.92 : x
  2. Step 2: Convert to fraction form
    803,851.15/1,206,013.56 = 323,831.92/x
  3. Step 3: Cross multiply
    803,851.15x = 1,206,013.56 × 323,831.92
  4. Step 4: Simplify right side
    803,851.15x = 390,545,686,680.84
  5. Step 5: Solve for x
    x = 390,545,686,680.84/803,851.15
  6. Step 6: Final answer
    x = 485,843.29

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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.