Home / 802,003.88-1,202,258.30-402,177.45

Finding the Fourth Proportional to 802,003.88, 1,202,258.30 and 402,177.45

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Solution

The fourth proportional to 802,003.88, 1,202,258.30 and 402,177.45 is: 602,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,003.88 : 1,202,258.30 = 402,177.45 : x
  2. Step 2: Convert to fraction form
    802,003.88/1,202,258.30 = 402,177.45/x
  3. Step 3: Cross multiply
    802,003.88x = 1,202,258.30 × 402,177.45
  4. Step 4: Simplify right side
    802,003.88x = 483,521,179,832.92
  5. Step 5: Solve for x
    x = 483,521,179,832.92/802,003.88
  6. Step 6: Final answer
    x = 602,891.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.