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Finding the Fourth Proportional to 615,034.80, 922,552.20 and 283,258.80

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Solution

The fourth proportional to 615,034.80, 922,552.20 and 283,258.80 is: 424,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,034.80 : 922,552.20 = 283,258.80 : x
  2. Step 2: Convert to fraction form
    615,034.80/922,552.20 = 283,258.80/x
  3. Step 3: Cross multiply
    615,034.80x = 922,552.20 × 283,258.80
  4. Step 4: Simplify right side
    615,034.80x = 261,321,029,109.36
  5. Step 5: Solve for x
    x = 261,321,029,109.36/615,034.80
  6. Step 6: Final answer
    x = 424,888.20

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Similar ratio
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1.5x scale

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.