Home / 822,077.43-1,230,015.47-485,301.30

Finding the Fourth Proportional to 822,077.43, 1,230,015.47 and 485,301.30

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Solution

The fourth proportional to 822,077.43, 1,230,015.47 and 485,301.30 is: 726,121.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,077.43 : 1,230,015.47 = 485,301.30 : x
  2. Step 2: Convert to fraction form
    822,077.43/1,230,015.47 = 485,301.30/x
  3. Step 3: Cross multiply
    822,077.43x = 1,230,015.47 × 485,301.30
  4. Step 4: Simplify right side
    822,077.43x = 596,928,104,184.61
  5. Step 5: Solve for x
    x = 596,928,104,184.61/822,077.43
  6. Step 6: Final answer
    x = 726,121.51

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Double scale
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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.