Home / 807,628.20-1,211,442.30-558,796.20

Finding the Fourth Proportional to 807,628.20, 1,211,442.30 and 558,796.20

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Solution

The fourth proportional to 807,628.20, 1,211,442.30 and 558,796.20 is: 838,194.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,628.20 : 1,211,442.30 = 558,796.20 : x
  2. Step 2: Convert to fraction form
    807,628.20/1,211,442.30 = 558,796.20/x
  3. Step 3: Cross multiply
    807,628.20x = 1,211,442.30 × 558,796.20
  4. Step 4: Simplify right side
    807,628.20x = 676,949,353,759.26
  5. Step 5: Solve for x
    x = 676,949,353,759.26/807,628.20
  6. Step 6: Final answer
    x = 838,194.30

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Similar ratio
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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.