Home / 634,918.43-876,167.67-348,431.15

Finding the Fourth Proportional to 634,918.43, 876,167.67 and 348,431.15

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Solution

The fourth proportional to 634,918.43, 876,167.67 and 348,431.15 is: 480,824.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,918.43 : 876,167.67 = 348,431.15 : x
  2. Step 2: Convert to fraction form
    634,918.43/876,167.67 = 348,431.15/x
  3. Step 3: Cross multiply
    634,918.43x = 876,167.67 × 348,431.15
  4. Step 4: Simplify right side
    634,918.43x = 305,284,108,850.92
  5. Step 5: Solve for x
    x = 305,284,108,850.92/634,918.43
  6. Step 6: Final answer
    x = 480,824.14

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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.