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Finding the Fourth Proportional to 803,760.60, 1,204,604.10 and 615,840.60

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Solution

The fourth proportional to 803,760.60, 1,204,604.10 and 615,840.60 is: 922,966.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,760.60 : 1,204,604.10 = 615,840.60 : x
  2. Step 2: Convert to fraction form
    803,760.60/1,204,604.10 = 615,840.60/x
  3. Step 3: Cross multiply
    803,760.60x = 1,204,604.10 × 615,840.60
  4. Step 4: Simplify right side
    803,760.60x = 741,844,111,706.46
  5. Step 5: Solve for x
    x = 741,844,111,706.46/803,760.60
  6. Step 6: Final answer
    x = 922,966.50

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Double scale
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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.