Home / 691,859.21-1,037,688.44-265,502.39

Finding the Fourth Proportional to 691,859.21, 1,037,688.44 and 265,502.39

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Solution

The fourth proportional to 691,859.21, 1,037,688.44 and 265,502.39 is: 398,215.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,859.21 : 1,037,688.44 = 265,502.39 : x
  2. Step 2: Convert to fraction form
    691,859.21/1,037,688.44 = 265,502.39/x
  3. Step 3: Cross multiply
    691,859.21x = 1,037,688.44 × 265,502.39
  4. Step 4: Simplify right side
    691,859.21x = 275,508,754,379.42
  5. Step 5: Solve for x
    x = 275,508,754,379.42/691,859.21
  6. Step 6: Final answer
    x = 398,215.06

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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.