Home / 521,248-719,317.38-294,893.50

Finding the Fourth Proportional to 521,248, 719,317.38 and 294,893.50

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Solution

The fourth proportional to 521,248, 719,317.38 and 294,893.50 is: 406,950.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,248 : 719,317.38 = 294,893.50 : x
  2. Step 2: Convert to fraction form
    521,248/719,317.38 = 294,893.50/x
  3. Step 3: Cross multiply
    521,248x = 719,317.38 × 294,893.50
  4. Step 4: Simplify right side
    521,248x = 212,122,019,799.03
  5. Step 5: Solve for x
    x = 212,122,019,799.03/521,248
  6. Step 6: Final answer
    x = 406,950.28

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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.