Home / 691,678.54-1,037,614.86-242,296.48

Finding the Fourth Proportional to 691,678.54, 1,037,614.86 and 242,296.48

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Solution

The fourth proportional to 691,678.54, 1,037,614.86 and 242,296.48 is: 363,478.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,678.54 : 1,037,614.86 = 242,296.48 : x
  2. Step 2: Convert to fraction form
    691,678.54/1,037,614.86 = 242,296.48/x
  3. Step 3: Cross multiply
    691,678.54x = 1,037,614.86 × 242,296.48
  4. Step 4: Simplify right side
    691,678.54x = 251,410,428,173.69
  5. Step 5: Solve for x
    x = 251,410,428,173.69/691,678.54
  6. Step 6: Final answer
    x = 363,478.72

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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.