Home / 751,262.76-1,127,258.64-330,483.96

Finding the Fourth Proportional to 751,262.76, 1,127,258.64 and 330,483.96

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Solution

The fourth proportional to 751,262.76, 1,127,258.64 and 330,483.96 is: 495,886.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,262.76 : 1,127,258.64 = 330,483.96 : x
  2. Step 2: Convert to fraction form
    751,262.76/1,127,258.64 = 330,483.96/x
  3. Step 3: Cross multiply
    751,262.76x = 1,127,258.64 × 330,483.96
  4. Step 4: Simplify right side
    751,262.76x = 372,540,899,291.41
  5. Step 5: Solve for x
    x = 372,540,899,291.41/751,262.76
  6. Step 6: Final answer
    x = 495,886.29

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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.