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Finding the Fourth Proportional to 616,496.87, 850,212.86 and 513,473.07

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Solution

The fourth proportional to 616,496.87, 850,212.86 and 513,473.07 is: 708,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,496.87 : 850,212.86 = 513,473.07 : x
  2. Step 2: Convert to fraction form
    616,496.87/850,212.86 = 513,473.07/x
  3. Step 3: Cross multiply
    616,496.87x = 850,212.86 × 513,473.07
  4. Step 4: Simplify right side
    616,496.87x = 436,561,407,998.61
  5. Step 5: Solve for x
    x = 436,561,407,998.61/616,496.87
  6. Step 6: Final answer
    x = 708,132.40

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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.