Home / 616,928.51-851,355.48-344,993.28

Finding the Fourth Proportional to 616,928.51, 851,355.48 and 344,993.28

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Solution

The fourth proportional to 616,928.51, 851,355.48 and 344,993.28 is: 476,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,928.51 : 851,355.48 = 344,993.28 : x
  2. Step 2: Convert to fraction form
    616,928.51/851,355.48 = 344,993.28/x
  3. Step 3: Cross multiply
    616,928.51x = 851,355.48 × 344,993.28
  4. Step 4: Simplify right side
    616,928.51x = 293,711,919,491.17
  5. Step 5: Solve for x
    x = 293,711,919,491.17/616,928.51
  6. Step 6: Final answer
    x = 476,087.45

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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.