Home / 728,608.20-1,092,912.30-530,320.20

Finding the Fourth Proportional to 728,608.20, 1,092,912.30 and 530,320.20

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Solution

The fourth proportional to 728,608.20, 1,092,912.30 and 530,320.20 is: 795,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,608.20 : 1,092,912.30 = 530,320.20 : x
  2. Step 2: Convert to fraction form
    728,608.20/1,092,912.30 = 530,320.20/x
  3. Step 3: Cross multiply
    728,608.20x = 1,092,912.30 × 530,320.20
  4. Step 4: Simplify right side
    728,608.20x = 579,593,469,518.46
  5. Step 5: Solve for x
    x = 579,593,469,518.46/728,608.20
  6. Step 6: Final answer
    x = 795,480.30

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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.