Home / 690,353.93-1,035,522.68-178,016.38

Finding the Fourth Proportional to 690,353.93, 1,035,522.68 and 178,016.38

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Solution

The fourth proportional to 690,353.93, 1,035,522.68 and 178,016.38 is: 267,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,353.93 : 1,035,522.68 = 178,016.38 : x
  2. Step 2: Convert to fraction form
    690,353.93/1,035,522.68 = 178,016.38/x
  3. Step 3: Cross multiply
    690,353.93x = 1,035,522.68 × 178,016.38
  4. Step 4: Simplify right side
    690,353.93x = 184,339,995,422.61
  5. Step 5: Solve for x
    x = 184,339,995,422.61/690,353.93
  6. Step 6: Final answer
    x = 267,022.45

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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.