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Finding the Fourth Proportional to 616,356.64, 850,555.88 and 344,426.78

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Solution

The fourth proportional to 616,356.64, 850,555.88 and 344,426.78 is: 475,299.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,356.64 : 850,555.88 = 344,426.78 : x
  2. Step 2: Convert to fraction form
    616,356.64/850,555.88 = 344,426.78/x
  3. Step 3: Cross multiply
    616,356.64x = 850,555.88 × 344,426.78
  4. Step 4: Simplify right side
    616,356.64x = 292,954,222,958.47
  5. Step 5: Solve for x
    x = 292,954,222,958.47/616,356.64
  6. Step 6: Final answer
    x = 475,299.86

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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.