Home / 705,127.68-1,057,822.74-231,831.72

Finding the Fourth Proportional to 705,127.68, 1,057,822.74 and 231,831.72

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Solution

The fourth proportional to 705,127.68, 1,057,822.74 and 231,831.72 is: 347,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,127.68 : 1,057,822.74 = 231,831.72 : x
  2. Step 2: Convert to fraction form
    705,127.68/1,057,822.74 = 231,831.72/x
  3. Step 3: Cross multiply
    705,127.68x = 1,057,822.74 × 231,831.72
  4. Step 4: Simplify right side
    705,127.68x = 245,236,865,269.31
  5. Step 5: Solve for x
    x = 245,236,865,269.31/705,127.68
  6. Step 6: Final answer
    x = 347,790.72

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1.5x scale

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.