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Finding the Fourth Proportional to 577,826.60, 865,703.10 and 494,882.60

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Solution

The fourth proportional to 577,826.60, 865,703.10 and 494,882.60 is: 741,435.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,826.60 : 865,703.10 = 494,882.60 : x
  2. Step 2: Convert to fraction form
    577,826.60/865,703.10 = 494,882.60/x
  3. Step 3: Cross multiply
    577,826.60x = 865,703.10 × 494,882.60
  4. Step 4: Simplify right side
    577,826.60x = 428,421,400,956.06
  5. Step 5: Solve for x
    x = 428,421,400,956.06/577,826.60
  6. Step 6: Final answer
    x = 741,435.93

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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.