Home / 634,317.31-875,357.38-343,938.50

Finding the Fourth Proportional to 634,317.31, 875,357.38 and 343,938.50

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Solution

The fourth proportional to 634,317.31, 875,357.38 and 343,938.50 is: 474,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,317.31 : 875,357.38 = 343,938.50 : x
  2. Step 2: Convert to fraction form
    634,317.31/875,357.38 = 343,938.50/x
  3. Step 3: Cross multiply
    634,317.31x = 875,357.38 × 343,938.50
  4. Step 4: Simplify right side
    634,317.31x = 301,069,099,004.50
  5. Step 5: Solve for x
    x = 301,069,099,004.50/634,317.31
  6. Step 6: Final answer
    x = 474,634.85

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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.