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Finding the Fourth Proportional to 567,958.40, 850,299.20 and 346,774.40

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Solution

The fourth proportional to 567,958.40, 850,299.20 and 346,774.40 is: 519,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,958.40 : 850,299.20 = 346,774.40 : x
  2. Step 2: Convert to fraction form
    567,958.40/850,299.20 = 346,774.40/x
  3. Step 3: Cross multiply
    567,958.40x = 850,299.20 × 346,774.40
  4. Step 4: Simplify right side
    567,958.40x = 294,861,994,900.48
  5. Step 5: Solve for x
    x = 294,861,994,900.48/567,958.40
  6. Step 6: Final answer
    x = 519,161.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.