Home / 822,685.20-1,234,027.80-506,115.60

Finding the Fourth Proportional to 822,685.20, 1,234,027.80 and 506,115.60

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Solution

The fourth proportional to 822,685.20, 1,234,027.80 and 506,115.60 is: 759,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,685.20 : 1,234,027.80 = 506,115.60 : x
  2. Step 2: Convert to fraction form
    822,685.20/1,234,027.80 = 506,115.60/x
  3. Step 3: Cross multiply
    822,685.20x = 1,234,027.80 × 506,115.60
  4. Step 4: Simplify right side
    822,685.20x = 624,560,720,413.68
  5. Step 5: Solve for x
    x = 624,560,720,413.68/822,685.20
  6. Step 6: Final answer
    x = 759,173.40

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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.