Home / 890,258.33-1,228,616.78-502,939.42

Finding the Fourth Proportional to 890,258.33, 1,228,616.78 and 502,939.42

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Solution

The fourth proportional to 890,258.33, 1,228,616.78 and 502,939.42 is: 694,090.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,258.33 : 1,228,616.78 = 502,939.42 : x
  2. Step 2: Convert to fraction form
    890,258.33/1,228,616.78 = 502,939.42/x
  3. Step 3: Cross multiply
    890,258.33x = 1,228,616.78 × 502,939.42
  4. Step 4: Simplify right side
    890,258.33x = 617,919,805,149.23
  5. Step 5: Solve for x
    x = 617,919,805,149.23/890,258.33
  6. Step 6: Final answer
    x = 694,090.45

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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.