Home / 822,622.40-1,234,279.20-448,913.60

Finding the Fourth Proportional to 822,622.40, 1,234,279.20 and 448,913.60

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Solution

The fourth proportional to 822,622.40, 1,234,279.20 and 448,913.60 is: 673,559.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,622.40 : 1,234,279.20 = 448,913.60 : x
  2. Step 2: Convert to fraction form
    822,622.40/1,234,279.20 = 448,913.60/x
  3. Step 3: Cross multiply
    822,622.40x = 1,234,279.20 × 448,913.60
  4. Step 4: Simplify right side
    822,622.40x = 554,084,719,077.12
  5. Step 5: Solve for x
    x = 554,084,719,077.12/822,622.40
  6. Step 6: Final answer
    x = 673,559.00

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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.