Home / 829,081.80-1,243,622.70-548,915.40

Finding the Fourth Proportional to 829,081.80, 1,243,622.70 and 548,915.40

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Solution

The fourth proportional to 829,081.80, 1,243,622.70 and 548,915.40 is: 823,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,081.80 : 1,243,622.70 = 548,915.40 : x
  2. Step 2: Convert to fraction form
    829,081.80/1,243,622.70 = 548,915.40/x
  3. Step 3: Cross multiply
    829,081.80x = 1,243,622.70 × 548,915.40
  4. Step 4: Simplify right side
    829,081.80x = 682,643,651,819.58
  5. Step 5: Solve for x
    x = 682,643,651,819.58/829,081.80
  6. Step 6: Final answer
    x = 823,373.10

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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.