Home / 660,758.14-911,817.03-374,272.48

Finding the Fourth Proportional to 660,758.14, 911,817.03 and 374,272.48

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Solution

The fourth proportional to 660,758.14, 911,817.03 and 374,272.48 is: 516,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,758.14 : 911,817.03 = 374,272.48 : x
  2. Step 2: Convert to fraction form
    660,758.14/911,817.03 = 374,272.48/x
  3. Step 3: Cross multiply
    660,758.14x = 911,817.03 × 374,272.48
  4. Step 4: Simplify right side
    660,758.14x = 341,268,021,124.33
  5. Step 5: Solve for x
    x = 341,268,021,124.33/660,758.14
  6. Step 6: Final answer
    x = 516,479.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.