Home / 706,443.20-1,059,664.80-307,275.20

Finding the Fourth Proportional to 706,443.20, 1,059,664.80 and 307,275.20

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Solution

The fourth proportional to 706,443.20, 1,059,664.80 and 307,275.20 is: 460,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,443.20 : 1,059,664.80 = 307,275.20 : x
  2. Step 2: Convert to fraction form
    706,443.20/1,059,664.80 = 307,275.20/x
  3. Step 3: Cross multiply
    706,443.20x = 1,059,664.80 × 307,275.20
  4. Step 4: Simplify right side
    706,443.20x = 325,608,713,352.96
  5. Step 5: Solve for x
    x = 325,608,713,352.96/706,443.20
  6. Step 6: Final answer
    x = 460,912.80

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Similar ratio
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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.