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Finding the Fourth Proportional to 387,894.52, 580,597.24 and 207,528.76

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Solution

The fourth proportional to 387,894.52, 580,597.24 and 207,528.76 is: 310,627.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,894.52 : 580,597.24 = 207,528.76 : x
  2. Step 2: Convert to fraction form
    387,894.52/580,597.24 = 207,528.76/x
  3. Step 3: Cross multiply
    387,894.52x = 580,597.24 × 207,528.76
  4. Step 4: Simplify right side
    387,894.52x = 120,490,624,823.41
  5. Step 5: Solve for x
    x = 120,490,624,823.41/387,894.52
  6. Step 6: Final answer
    x = 310,627.29

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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.