Home / 616,972.40-851,415.84-345,037.16

Finding the Fourth Proportional to 616,972.40, 851,415.84 and 345,037.16

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Solution

The fourth proportional to 616,972.40, 851,415.84 and 345,037.16 is: 476,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,972.40 : 851,415.84 = 345,037.16 : x
  2. Step 2: Convert to fraction form
    616,972.40/851,415.84 = 345,037.16/x
  3. Step 3: Cross multiply
    616,972.40x = 851,415.84 × 345,037.16
  4. Step 4: Simplify right side
    616,972.40x = 293,770,103,412.61
  5. Step 5: Solve for x
    x = 293,770,103,412.61/616,972.40
  6. Step 6: Final answer
    x = 476,147.89

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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.