Home / 822,623.40-1,234,280.70-448,914.60

Finding the Fourth Proportional to 822,623.40, 1,234,280.70 and 448,914.60

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Solution

The fourth proportional to 822,623.40, 1,234,280.70 and 448,914.60 is: 673,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,623.40 : 1,234,280.70 = 448,914.60 : x
  2. Step 2: Convert to fraction form
    822,623.40/1,234,280.70 = 448,914.60/x
  3. Step 3: Cross multiply
    822,623.40x = 1,234,280.70 × 448,914.60
  4. Step 4: Simplify right side
    822,623.40x = 554,086,626,728.22
  5. Step 5: Solve for x
    x = 554,086,626,728.22/822,623.40
  6. Step 6: Final answer
    x = 673,560.50

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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.