Home / 465,831.86-642,870.77-261,946.96

Finding the Fourth Proportional to 465,831.86, 642,870.77 and 261,946.96

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Solution

The fourth proportional to 465,831.86, 642,870.77 and 261,946.96 is: 361,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,831.86 : 642,870.77 = 261,946.96 : x
  2. Step 2: Convert to fraction form
    465,831.86/642,870.77 = 261,946.96/x
  3. Step 3: Cross multiply
    465,831.86x = 642,870.77 × 261,946.96
  4. Step 4: Simplify right side
    465,831.86x = 168,398,040,957.45
  5. Step 5: Solve for x
    x = 168,398,040,957.45/465,831.86
  6. Step 6: Final answer
    x = 361,499.63

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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.