Home / 627,076.73-865,368.35-340,601.60

Finding the Fourth Proportional to 627,076.73, 865,368.35 and 340,601.60

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Solution

The fourth proportional to 627,076.73, 865,368.35 and 340,601.60 is: 470,031.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,076.73 : 865,368.35 = 340,601.60 : x
  2. Step 2: Convert to fraction form
    627,076.73/865,368.35 = 340,601.60/x
  3. Step 3: Cross multiply
    627,076.73x = 865,368.35 × 340,601.60
  4. Step 4: Simplify right side
    627,076.73x = 294,745,838,569.51
  5. Step 5: Solve for x
    x = 294,745,838,569.51/627,076.73
  6. Step 6: Final answer
    x = 470,031.54

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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.