Home / 691,745.04-1,037,431.80-265,188.24

Finding the Fourth Proportional to 691,745.04, 1,037,431.80 and 265,188.24

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Solution

The fourth proportional to 691,745.04, 1,037,431.80 and 265,188.24 is: 397,711.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,745.04 : 1,037,431.80 = 265,188.24 : x
  2. Step 2: Convert to fraction form
    691,745.04/1,037,431.80 = 265,188.24/x
  3. Step 3: Cross multiply
    691,745.04x = 1,037,431.80 × 265,188.24
  4. Step 4: Simplify right side
    691,745.04x = 275,114,713,162.03
  5. Step 5: Solve for x
    x = 275,114,713,162.03/691,745.04
  6. Step 6: Final answer
    x = 397,711.15

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1.5x scale

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.