Home / 691,720.31-1,037,749.29-265,248.52

Finding the Fourth Proportional to 691,720.31, 1,037,749.29 and 265,248.52

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Solution

The fourth proportional to 691,720.31, 1,037,749.29 and 265,248.52 is: 397,937.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,720.31 : 1,037,749.29 = 265,248.52 : x
  2. Step 2: Convert to fraction form
    691,720.31/1,037,749.29 = 265,248.52/x
  3. Step 3: Cross multiply
    691,720.31x = 1,037,749.29 × 265,248.52
  4. Step 4: Simplify right side
    691,720.31x = 275,261,463,303.55
  5. Step 5: Solve for x
    x = 275,261,463,303.55/691,720.31
  6. Step 6: Final answer
    x = 397,937.52

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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.