Home / 820,168.20-1,230,252.30-610,216.20

Finding the Fourth Proportional to 820,168.20, 1,230,252.30 and 610,216.20

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Solution

The fourth proportional to 820,168.20, 1,230,252.30 and 610,216.20 is: 915,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,168.20 : 1,230,252.30 = 610,216.20 : x
  2. Step 2: Convert to fraction form
    820,168.20/1,230,252.30 = 610,216.20/x
  3. Step 3: Cross multiply
    820,168.20x = 1,230,252.30 × 610,216.20
  4. Step 4: Simplify right side
    820,168.20x = 750,719,883,547.26
  5. Step 5: Solve for x
    x = 750,719,883,547.26/820,168.20
  6. Step 6: Final answer
    x = 915,324.30

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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.