Home / 729,028.80-1,093,543.20-613,555.20

Finding the Fourth Proportional to 729,028.80, 1,093,543.20 and 613,555.20

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Solution

The fourth proportional to 729,028.80, 1,093,543.20 and 613,555.20 is: 920,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,028.80 : 1,093,543.20 = 613,555.20 : x
  2. Step 2: Convert to fraction form
    729,028.80/1,093,543.20 = 613,555.20/x
  3. Step 3: Cross multiply
    729,028.80x = 1,093,543.20 × 613,555.20
  4. Step 4: Simplify right side
    729,028.80x = 670,949,116,784.64
  5. Step 5: Solve for x
    x = 670,949,116,784.64/729,028.80
  6. Step 6: Final answer
    x = 920,332.80

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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.