Home / 802,155.40-1,202,422.99-502,845.77

Finding the Fourth Proportional to 802,155.40, 1,202,422.99 and 502,845.77

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Solution

The fourth proportional to 802,155.40, 1,202,422.99 and 502,845.77 is: 753,760.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,155.40 : 1,202,422.99 = 502,845.77 : x
  2. Step 2: Convert to fraction form
    802,155.40/1,202,422.99 = 502,845.77/x
  3. Step 3: Cross multiply
    802,155.40x = 1,202,422.99 × 502,845.77
  4. Step 4: Simplify right side
    802,155.40x = 604,633,314,272.25
  5. Step 5: Solve for x
    x = 604,633,314,272.25/802,155.40
  6. Step 6: Final answer
    x = 753,760.82

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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.