Home / 691,504.35-1,036,664.85-265,345.98

Finding the Fourth Proportional to 691,504.35, 1,036,664.85 and 265,345.98

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Solution

The fourth proportional to 691,504.35, 1,036,664.85 and 265,345.98 is: 397,791.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,504.35 : 1,036,664.85 = 265,345.98 : x
  2. Step 2: Convert to fraction form
    691,504.35/1,036,664.85 = 265,345.98/x
  3. Step 3: Cross multiply
    691,504.35x = 1,036,664.85 × 265,345.98
  4. Step 4: Simplify right side
    691,504.35x = 275,074,850,554.80
  5. Step 5: Solve for x
    x = 275,074,850,554.80/691,504.35
  6. Step 6: Final answer
    x = 397,791.93

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1.5x scale

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.