Home / 634,868.41-876,115.83-348,393.28

Finding the Fourth Proportional to 634,868.41, 876,115.83 and 348,393.28

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Solution

The fourth proportional to 634,868.41, 876,115.83 and 348,393.28 is: 480,781.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,868.41 : 876,115.83 = 348,393.28 : x
  2. Step 2: Convert to fraction form
    634,868.41/876,115.83 = 348,393.28/x
  3. Step 3: Cross multiply
    634,868.41x = 876,115.83 × 348,393.28
  4. Step 4: Simplify right side
    634,868.41x = 305,232,867,673.62
  5. Step 5: Solve for x
    x = 305,232,867,673.62/634,868.41
  6. Step 6: Final answer
    x = 480,781.31

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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.