Home / 634,881.43-876,147.06-348,428.17

Finding the Fourth Proportional to 634,881.43, 876,147.06 and 348,428.17

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Solution

The fourth proportional to 634,881.43, 876,147.06 and 348,428.17 is: 480,836.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,881.43 : 876,147.06 = 348,428.17 : x
  2. Step 2: Convert to fraction form
    634,881.43/876,147.06 = 348,428.17/x
  3. Step 3: Cross multiply
    634,881.43x = 876,147.06 × 348,428.17
  4. Step 4: Simplify right side
    634,881.43x = 305,274,316,766.68
  5. Step 5: Solve for x
    x = 305,274,316,766.68/634,881.43
  6. Step 6: Final answer
    x = 480,836.74

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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.