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Finding the Fourth Proportional to 560,252.76, 838,639.55 and 303,447.50

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Solution

The fourth proportional to 560,252.76, 838,639.55 and 303,447.50 is: 454,229.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,252.76 : 838,639.55 = 303,447.50 : x
  2. Step 2: Convert to fraction form
    560,252.76/838,639.55 = 303,447.50/x
  3. Step 3: Cross multiply
    560,252.76x = 838,639.55 × 303,447.50
  4. Step 4: Simplify right side
    560,252.76x = 254,483,076,163.37
  5. Step 5: Solve for x
    x = 254,483,076,163.37/560,252.76
  6. Step 6: Final answer
    x = 454,229.04

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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.