Home / 827,831.56-1,143,274.89-570,377.92

Finding the Fourth Proportional to 827,831.56, 1,143,274.89 and 570,377.92

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Solution

The fourth proportional to 827,831.56, 1,143,274.89 and 570,377.92 is: 787,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,831.56 : 1,143,274.89 = 570,377.92 : x
  2. Step 2: Convert to fraction form
    827,831.56/1,143,274.89 = 570,377.92/x
  3. Step 3: Cross multiply
    827,831.56x = 1,143,274.89 × 570,377.92
  4. Step 4: Simplify right side
    827,831.56x = 652,098,753,746.43
  5. Step 5: Solve for x
    x = 652,098,753,746.43/827,831.56
  6. Step 6: Final answer
    x = 787,719.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.