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Finding the Fourth Proportional to 537,352.26, 741,552.30 and 307,905

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Solution

The fourth proportional to 537,352.26, 741,552.30 and 307,905 is: 424,912.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,352.26 : 741,552.30 = 307,905 : x
  2. Step 2: Convert to fraction form
    537,352.26/741,552.30 = 307,905/x
  3. Step 3: Cross multiply
    537,352.26x = 741,552.30 × 307,905
  4. Step 4: Simplify right side
    537,352.26x = 228,327,660,931.50
  5. Step 5: Solve for x
    x = 228,327,660,931.50/537,352.26
  6. Step 6: Final answer
    x = 424,912.44

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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.