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Finding the Fourth Proportional to 616,270.74, 850,437.72 and 344,340.87

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Solution

The fourth proportional to 616,270.74, 850,437.72 and 344,340.87 is: 475,181.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,270.74 : 850,437.72 = 344,340.87 : x
  2. Step 2: Convert to fraction form
    616,270.74/850,437.72 = 344,340.87/x
  3. Step 3: Cross multiply
    616,270.74x = 850,437.72 × 344,340.87
  4. Step 4: Simplify right side
    616,270.74x = 292,840,464,385.62
  5. Step 5: Solve for x
    x = 292,840,464,385.62/616,270.74
  6. Step 6: Final answer
    x = 475,181.52

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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.