Home / 863,622.96-1,191,802.68-481,729.20

Finding the Fourth Proportional to 863,622.96, 1,191,802.68 and 481,729.20

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Solution

The fourth proportional to 863,622.96, 1,191,802.68 and 481,729.20 is: 664,787.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,622.96 : 1,191,802.68 = 481,729.20 : x
  2. Step 2: Convert to fraction form
    863,622.96/1,191,802.68 = 481,729.20/x
  3. Step 3: Cross multiply
    863,622.96x = 1,191,802.68 × 481,729.20
  4. Step 4: Simplify right side
    863,622.96x = 574,126,151,594.26
  5. Step 5: Solve for x
    x = 574,126,151,594.26/863,622.96
  6. Step 6: Final answer
    x = 664,787.97

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.