Home / 879,190.62-1,213,348.22-492,044.83

Finding the Fourth Proportional to 879,190.62, 1,213,348.22 and 492,044.83

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Solution

The fourth proportional to 879,190.62, 1,213,348.22 and 492,044.83 is: 679,058.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,190.62 : 1,213,348.22 = 492,044.83 : x
  2. Step 2: Convert to fraction form
    879,190.62/1,213,348.22 = 492,044.83/x
  3. Step 3: Cross multiply
    879,190.62x = 1,213,348.22 × 492,044.83
  4. Step 4: Simplify right side
    879,190.62x = 597,021,718,640.70
  5. Step 5: Solve for x
    x = 597,021,718,640.70/879,190.62
  6. Step 6: Final answer
    x = 679,058.34

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Double scale
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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.