Home / 465,831.11-642,869.73-261,946.22

Finding the Fourth Proportional to 465,831.11, 642,869.73 and 261,946.22

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Solution

The fourth proportional to 465,831.11, 642,869.73 and 261,946.22 is: 361,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,831.11 : 642,869.73 = 261,946.22 : x
  2. Step 2: Convert to fraction form
    465,831.11/642,869.73 = 261,946.22/x
  3. Step 3: Cross multiply
    465,831.11x = 642,869.73 × 261,946.22
  4. Step 4: Simplify right side
    465,831.11x = 168,397,292,511.57
  5. Step 5: Solve for x
    x = 168,397,292,511.57/465,831.11
  6. Step 6: Final answer
    x = 361,498.60

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1.5x scale

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.