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Finding the Fourth Proportional to 615,862.38, 849,873.51 and 343,922.70

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Solution

The fourth proportional to 615,862.38, 849,873.51 and 343,922.70 is: 474,604.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,862.38 : 849,873.51 = 343,922.70 : x
  2. Step 2: Convert to fraction form
    615,862.38/849,873.51 = 343,922.70/x
  3. Step 3: Cross multiply
    615,862.38x = 849,873.51 × 343,922.70
  4. Step 4: Simplify right side
    615,862.38x = 292,290,792,217.68
  5. Step 5: Solve for x
    x = 292,290,792,217.68/615,862.38
  6. Step 6: Final answer
    x = 474,604.07

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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.