Home / 823,275.65-1,135,957.28-460,629.15

Finding the Fourth Proportional to 823,275.65, 1,135,957.28 and 460,629.15

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Solution

The fourth proportional to 823,275.65, 1,135,957.28 and 460,629.15 is: 635,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,275.65 : 1,135,957.28 = 460,629.15 : x
  2. Step 2: Convert to fraction form
    823,275.65/1,135,957.28 = 460,629.15/x
  3. Step 3: Cross multiply
    823,275.65x = 1,135,957.28 × 460,629.15
  4. Step 4: Simplify right side
    823,275.65x = 523,255,034,019.57
  5. Step 5: Solve for x
    x = 523,255,034,019.57/823,275.65
  6. Step 6: Final answer
    x = 635,576.96

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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.