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Finding the Fourth Proportional to 536,838.44, 740,856.13 and 307,436.72

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Solution

The fourth proportional to 536,838.44, 740,856.13 and 307,436.72 is: 424,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,838.44 : 740,856.13 = 307,436.72 : x
  2. Step 2: Convert to fraction form
    536,838.44/740,856.13 = 307,436.72/x
  3. Step 3: Cross multiply
    536,838.44x = 740,856.13 × 307,436.72
  4. Step 4: Simplify right side
    536,838.44x = 227,766,374,126.22
  5. Step 5: Solve for x
    x = 227,766,374,126.22/536,838.44
  6. Step 6: Final answer
    x = 424,273.60

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1.5x scale

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.