Home / 690,874.41-1,035,866.52-291,408.33

Finding the Fourth Proportional to 690,874.41, 1,035,866.52 and 291,408.33

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Solution

The fourth proportional to 690,874.41, 1,035,866.52 and 291,408.33 is: 436,924.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,874.41 : 1,035,866.52 = 291,408.33 : x
  2. Step 2: Convert to fraction form
    690,874.41/1,035,866.52 = 291,408.33/x
  3. Step 3: Cross multiply
    690,874.41x = 1,035,866.52 × 291,408.33
  4. Step 4: Simplify right side
    690,874.41x = 301,860,132,696.11
  5. Step 5: Solve for x
    x = 301,860,132,696.11/690,874.41
  6. Step 6: Final answer
    x = 436,924.76

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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.