Home / 538,933.20-743,693.40-297,217.50

Finding the Fourth Proportional to 538,933.20, 743,693.40 and 297,217.50

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Solution

The fourth proportional to 538,933.20, 743,693.40 and 297,217.50 is: 410,141.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,933.20 : 743,693.40 = 297,217.50 : x
  2. Step 2: Convert to fraction form
    538,933.20/743,693.40 = 297,217.50/x
  3. Step 3: Cross multiply
    538,933.20x = 743,693.40 × 297,217.50
  4. Step 4: Simplify right side
    538,933.20x = 221,038,693,114.50
  5. Step 5: Solve for x
    x = 221,038,693,114.50/538,933.20
  6. Step 6: Final answer
    x = 410,141.17

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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.