Home / 634,968.86-876,310.80-348,537.46

Finding the Fourth Proportional to 634,968.86, 876,310.80 and 348,537.46

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Solution

The fourth proportional to 634,968.86, 876,310.80 and 348,537.46 is: 481,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,968.86 : 876,310.80 = 348,537.46 : x
  2. Step 2: Convert to fraction form
    634,968.86/876,310.80 = 348,537.46/x
  3. Step 3: Cross multiply
    634,968.86x = 876,310.80 × 348,537.46
  4. Step 4: Simplify right side
    634,968.86x = 305,427,140,402.57
  5. Step 5: Solve for x
    x = 305,427,140,402.57/634,968.86
  6. Step 6: Final answer
    x = 481,011.21

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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.