Home / 691,738.67-1,036,897.22-265,158.86

Finding the Fourth Proportional to 691,738.67, 1,036,897.22 and 265,158.86

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Solution

The fourth proportional to 691,738.67, 1,036,897.22 and 265,158.86 is: 397,465.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,738.67 : 1,036,897.22 = 265,158.86 : x
  2. Step 2: Convert to fraction form
    691,738.67/1,036,897.22 = 265,158.86/x
  3. Step 3: Cross multiply
    691,738.67x = 1,036,897.22 × 265,158.86
  4. Step 4: Simplify right side
    691,738.67x = 274,942,478,282.09
  5. Step 5: Solve for x
    x = 274,942,478,282.09/691,738.67
  6. Step 6: Final answer
    x = 397,465.82

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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.