Home / 752,914.32-1,129,205.40-220,476.86

Finding the Fourth Proportional to 752,914.32, 1,129,205.40 and 220,476.86

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Solution

The fourth proportional to 752,914.32, 1,129,205.40 and 220,476.86 is: 330,666.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,914.32 : 1,129,205.40 = 220,476.86 : x
  2. Step 2: Convert to fraction form
    752,914.32/1,129,205.40 = 220,476.86/x
  3. Step 3: Cross multiply
    752,914.32x = 1,129,205.40 × 220,476.86
  4. Step 4: Simplify right side
    752,914.32x = 248,963,660,887.04
  5. Step 5: Solve for x
    x = 248,963,660,887.04/752,914.32
  6. Step 6: Final answer
    x = 330,666.66

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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.