Home / 691,859.72-1,037,689.16-265,502.86

Finding the Fourth Proportional to 691,859.72, 1,037,689.16 and 265,502.86

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Solution

The fourth proportional to 691,859.72, 1,037,689.16 and 265,502.86 is: 398,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,859.72 : 1,037,689.16 = 265,502.86 : x
  2. Step 2: Convert to fraction form
    691,859.72/1,037,689.16 = 265,502.86/x
  3. Step 3: Cross multiply
    691,859.72x = 1,037,689.16 × 265,502.86
  4. Step 4: Simplify right side
    691,859.72x = 275,509,439,771.00
  5. Step 5: Solve for x
    x = 275,509,439,771.00/691,859.72
  6. Step 6: Final answer
    x = 398,215.75

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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.