Home / 726,223.20-1,086,742.80-460,111.20

Finding the Fourth Proportional to 726,223.20, 1,086,742.80 and 460,111.20

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Solution

The fourth proportional to 726,223.20, 1,086,742.80 and 460,111.20 is: 688,524.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,223.20 : 1,086,742.80 = 460,111.20 : x
  2. Step 2: Convert to fraction form
    726,223.20/1,086,742.80 = 460,111.20/x
  3. Step 3: Cross multiply
    726,223.20x = 1,086,742.80 × 460,111.20
  4. Step 4: Simplify right side
    726,223.20x = 500,022,533,799.36
  5. Step 5: Solve for x
    x = 500,022,533,799.36/726,223.20
  6. Step 6: Final answer
    x = 688,524.59

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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.