Home / 691,730.64-1,037,627.75-211,924.03

Finding the Fourth Proportional to 691,730.64, 1,037,627.75 and 211,924.03

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Solution

The fourth proportional to 691,730.64, 1,037,627.75 and 211,924.03 is: 317,895.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,730.64 : 1,037,627.75 = 211,924.03 : x
  2. Step 2: Convert to fraction form
    691,730.64/1,037,627.75 = 211,924.03/x
  3. Step 3: Cross multiply
    691,730.64x = 1,037,627.75 × 211,924.03
  4. Step 4: Simplify right side
    691,730.64x = 219,898,254,419.83
  5. Step 5: Solve for x
    x = 219,898,254,419.83/691,730.64
  6. Step 6: Final answer
    x = 317,895.78

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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.