Home / 802,011.36-1,202,932.26-422,780.16

Finding the Fourth Proportional to 802,011.36, 1,202,932.26 and 422,780.16

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Solution

The fourth proportional to 802,011.36, 1,202,932.26 and 422,780.16 is: 634,125.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,011.36 : 1,202,932.26 = 422,780.16 : x
  2. Step 2: Convert to fraction form
    802,011.36/1,202,932.26 = 422,780.16/x
  3. Step 3: Cross multiply
    802,011.36x = 1,202,932.26 × 422,780.16
  4. Step 4: Simplify right side
    802,011.36x = 508,575,893,351.96
  5. Step 5: Solve for x
    x = 508,575,893,351.96/802,011.36
  6. Step 6: Final answer
    x = 634,125.55

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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.