Home / 751,799.28-1,127,702.70-190,833.96

Finding the Fourth Proportional to 751,799.28, 1,127,702.70 and 190,833.96

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Solution

The fourth proportional to 751,799.28, 1,127,702.70 and 190,833.96 is: 286,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,799.28 : 1,127,702.70 = 190,833.96 : x
  2. Step 2: Convert to fraction form
    751,799.28/1,127,702.70 = 190,833.96/x
  3. Step 3: Cross multiply
    751,799.28x = 1,127,702.70 × 190,833.96
  4. Step 4: Simplify right side
    751,799.28x = 215,203,971,943.69
  5. Step 5: Solve for x
    x = 215,203,971,943.69/751,799.28
  6. Step 6: Final answer
    x = 286,251.90

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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.