Home / 740,015.10-1,109,342.25-266,584.68

Finding the Fourth Proportional to 740,015.10, 1,109,342.25 and 266,584.68

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Solution

The fourth proportional to 740,015.10, 1,109,342.25 and 266,584.68 is: 399,631.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,015.10 : 1,109,342.25 = 266,584.68 : x
  2. Step 2: Convert to fraction form
    740,015.10/1,109,342.25 = 266,584.68/x
  3. Step 3: Cross multiply
    740,015.10x = 1,109,342.25 × 266,584.68
  4. Step 4: Simplify right side
    740,015.10x = 295,733,648,726.73
  5. Step 5: Solve for x
    x = 295,733,648,726.73/740,015.10
  6. Step 6: Final answer
    x = 399,631.91

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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.