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Finding the Fourth Proportional to 662,812.20, 994,218.30 and 452,860.20

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Solution

The fourth proportional to 662,812.20, 994,218.30 and 452,860.20 is: 679,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,812.20 : 994,218.30 = 452,860.20 : x
  2. Step 2: Convert to fraction form
    662,812.20/994,218.30 = 452,860.20/x
  3. Step 3: Cross multiply
    662,812.20x = 994,218.30 × 452,860.20
  4. Step 4: Simplify right side
    662,812.20x = 450,241,898,181.66
  5. Step 5: Solve for x
    x = 450,241,898,181.66/662,812.20
  6. Step 6: Final answer
    x = 679,290.30

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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.