Home / 808,220.20-1,212,330.30-493,292.20

Finding the Fourth Proportional to 808,220.20, 1,212,330.30 and 493,292.20

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Solution

The fourth proportional to 808,220.20, 1,212,330.30 and 493,292.20 is: 739,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,220.20 : 1,212,330.30 = 493,292.20 : x
  2. Step 2: Convert to fraction form
    808,220.20/1,212,330.30 = 493,292.20/x
  3. Step 3: Cross multiply
    808,220.20x = 1,212,330.30 × 493,292.20
  4. Step 4: Simplify right side
    808,220.20x = 598,033,080,813.66
  5. Step 5: Solve for x
    x = 598,033,080,813.66/808,220.20
  6. Step 6: Final answer
    x = 739,938.30

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Double scale
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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.