Home / 691,377.90-1,036,894.05-264,821.10

Finding the Fourth Proportional to 691,377.90, 1,036,894.05 and 264,821.10

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Solution

The fourth proportional to 691,377.90, 1,036,894.05 and 264,821.10 is: 397,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,377.90 : 1,036,894.05 = 264,821.10 : x
  2. Step 2: Convert to fraction form
    691,377.90/1,036,894.05 = 264,821.10/x
  3. Step 3: Cross multiply
    691,377.90x = 1,036,894.05 × 264,821.10
  4. Step 4: Simplify right side
    691,377.90x = 274,591,422,904.46
  5. Step 5: Solve for x
    x = 274,591,422,904.46/691,377.90
  6. Step 6: Final answer
    x = 397,165.46

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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.