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Finding the Fourth Proportional to 679,572.54, 1,019,362.08 and 206,262

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Solution

The fourth proportional to 679,572.54, 1,019,362.08 and 206,262 is: 309,393.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,572.54 : 1,019,362.08 = 206,262 : x
  2. Step 2: Convert to fraction form
    679,572.54/1,019,362.08 = 206,262/x
  3. Step 3: Cross multiply
    679,572.54x = 1,019,362.08 × 206,262
  4. Step 4: Simplify right side
    679,572.54x = 210,255,661,344.96
  5. Step 5: Solve for x
    x = 210,255,661,344.96/679,572.54
  6. Step 6: Final answer
    x = 309,393.99

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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.