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Finding the Fourth Proportional to 926,644, 1,278,760.08 and 524,236

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Solution

The fourth proportional to 926,644, 1,278,760.08 and 524,236 is: 723,440.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,644 : 1,278,760.08 = 524,236 : x
  2. Step 2: Convert to fraction form
    926,644/1,278,760.08 = 524,236/x
  3. Step 3: Cross multiply
    926,644x = 1,278,760.08 × 524,236
  4. Step 4: Simplify right side
    926,644x = 670,372,069,298.88
  5. Step 5: Solve for x
    x = 670,372,069,298.88/926,644
  6. Step 6: Final answer
    x = 723,440.79

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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.