Home / 808,942.74-1,116,745.15-503,117.71

Finding the Fourth Proportional to 808,942.74, 1,116,745.15 and 503,117.71

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Solution

The fourth proportional to 808,942.74, 1,116,745.15 and 503,117.71 is: 694,553.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,942.74 : 1,116,745.15 = 503,117.71 : x
  2. Step 2: Convert to fraction form
    808,942.74/1,116,745.15 = 503,117.71/x
  3. Step 3: Cross multiply
    808,942.74x = 1,116,745.15 × 503,117.71
  4. Step 4: Simplify right side
    808,942.74x = 561,854,262,521.61
  5. Step 5: Solve for x
    x = 561,854,262,521.61/808,942.74
  6. Step 6: Final answer
    x = 694,553.81

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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.