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Finding the Fourth Proportional to 613,233.47, 846,290.07 and 341,318.79

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Solution

The fourth proportional to 613,233.47, 846,290.07 and 341,318.79 is: 471,035.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,233.47 : 846,290.07 = 341,318.79 : x
  2. Step 2: Convert to fraction form
    613,233.47/846,290.07 = 341,318.79/x
  3. Step 3: Cross multiply
    613,233.47x = 846,290.07 × 341,318.79
  4. Step 4: Simplify right side
    613,233.47x = 288,854,702,681.42
  5. Step 5: Solve for x
    x = 288,854,702,681.42/613,233.47
  6. Step 6: Final answer
    x = 471,035.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.