Home / 822,823.20-1,234,234.80-506,253.60

Finding the Fourth Proportional to 822,823.20, 1,234,234.80 and 506,253.60

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Solution

The fourth proportional to 822,823.20, 1,234,234.80 and 506,253.60 is: 759,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,823.20 : 1,234,234.80 = 506,253.60 : x
  2. Step 2: Convert to fraction form
    822,823.20/1,234,234.80 = 506,253.60/x
  3. Step 3: Cross multiply
    822,823.20x = 1,234,234.80 × 506,253.60
  4. Step 4: Simplify right side
    822,823.20x = 624,835,810,745.28
  5. Step 5: Solve for x
    x = 624,835,810,745.28/822,823.20
  6. Step 6: Final answer
    x = 759,380.40

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Double scale
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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.