Home / 521,249-719,318.76-294,894.50

Finding the Fourth Proportional to 521,249, 719,318.76 and 294,894.50

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Solution

The fourth proportional to 521,249, 719,318.76 and 294,894.50 is: 406,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,249 : 719,318.76 = 294,894.50 : x
  2. Step 2: Convert to fraction form
    521,249/719,318.76 = 294,894.50/x
  3. Step 3: Cross multiply
    521,249x = 719,318.76 × 294,894.50
  4. Step 4: Simplify right side
    521,249x = 212,123,146,070.82
  5. Step 5: Solve for x
    x = 212,123,146,070.82/521,249
  6. Step 6: Final answer
    x = 406,951.66

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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.