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Finding the Fourth Proportional to 577,882.40, 866,826.30 and 203,905.40

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Solution

The fourth proportional to 577,882.40, 866,826.30 and 203,905.40 is: 305,859.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,882.40 : 866,826.30 = 203,905.40 : x
  2. Step 2: Convert to fraction form
    577,882.40/866,826.30 = 203,905.40/x
  3. Step 3: Cross multiply
    577,882.40x = 866,826.30 × 203,905.40
  4. Step 4: Simplify right side
    577,882.40x = 176,750,563,432.02
  5. Step 5: Solve for x
    x = 176,750,563,432.02/577,882.40
  6. Step 6: Final answer
    x = 305,859.05

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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.