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Finding the Fourth Proportional to 616,918, 851,340.93 and 344,982.76

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Solution

The fourth proportional to 616,918, 851,340.93 and 344,982.76 is: 476,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,918 : 851,340.93 = 344,982.76 : x
  2. Step 2: Convert to fraction form
    616,918/851,340.93 = 344,982.76/x
  3. Step 3: Cross multiply
    616,918x = 851,340.93 × 344,982.76
  4. Step 4: Simplify right side
    616,918x = 293,697,943,732.37
  5. Step 5: Solve for x
    x = 293,697,943,732.37/616,918
  6. Step 6: Final answer
    x = 476,072.90

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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.