Home / 822,084.93-1,230,026.72-485,308.80

Finding the Fourth Proportional to 822,084.93, 1,230,026.72 and 485,308.80

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Solution

The fourth proportional to 822,084.93, 1,230,026.72 and 485,308.80 is: 726,132.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,084.93 : 1,230,026.72 = 485,308.80 : x
  2. Step 2: Convert to fraction form
    822,084.93/1,230,026.72 = 485,308.80/x
  3. Step 3: Cross multiply
    822,084.93x = 1,230,026.72 × 485,308.80
  4. Step 4: Simplify right side
    822,084.93x = 596,942,789,024.59
  5. Step 5: Solve for x
    x = 596,942,789,024.59/822,084.93
  6. Step 6: Final answer
    x = 726,132.75

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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.