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Finding the Fourth Proportional to 713,662.16, 1,070,139.04 and 227,280.89

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Solution

The fourth proportional to 713,662.16, 1,070,139.04 and 227,280.89 is: 340,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,662.16 : 1,070,139.04 = 227,280.89 : x
  2. Step 2: Convert to fraction form
    713,662.16/1,070,139.04 = 227,280.89/x
  3. Step 3: Cross multiply
    713,662.16x = 1,070,139.04 × 227,280.89
  4. Step 4: Simplify right side
    713,662.16x = 243,222,150,801.01
  5. Step 5: Solve for x
    x = 243,222,150,801.01/713,662.16
  6. Step 6: Final answer
    x = 340,808.53

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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.