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Finding the Fourth Proportional to 616,415.06, 850,655.91 and 344,487.50

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Solution

The fourth proportional to 616,415.06, 850,655.91 and 344,487.50 is: 475,394.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,415.06 : 850,655.91 = 344,487.50 : x
  2. Step 2: Convert to fraction form
    616,415.06/850,655.91 = 344,487.50/x
  3. Step 3: Cross multiply
    616,415.06x = 850,655.91 × 344,487.50
  4. Step 4: Simplify right side
    616,415.06x = 293,040,323,542.85
  5. Step 5: Solve for x
    x = 293,040,323,542.85/616,415.06
  6. Step 6: Final answer
    x = 475,394.49

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1.5x scale

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.