Home / 766,630.73-1,057,951.85-460,711.77

Finding the Fourth Proportional to 766,630.73, 1,057,951.85 and 460,711.77

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Solution

The fourth proportional to 766,630.73, 1,057,951.85 and 460,711.77 is: 635,783.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,630.73 : 1,057,951.85 = 460,711.77 : x
  2. Step 2: Convert to fraction form
    766,630.73/1,057,951.85 = 460,711.77/x
  3. Step 3: Cross multiply
    766,630.73x = 1,057,951.85 × 460,711.77
  4. Step 4: Simplify right side
    766,630.73x = 487,410,867,084.72
  5. Step 5: Solve for x
    x = 487,410,867,084.72/766,630.73
  6. Step 6: Final answer
    x = 635,783.11

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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.