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Finding the Fourth Proportional to 880,953.88, 1,215,956.46 and 518,494

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Solution

The fourth proportional to 880,953.88, 1,215,956.46 and 518,494 is: 715,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,953.88 : 1,215,956.46 = 518,494 : x
  2. Step 2: Convert to fraction form
    880,953.88/1,215,956.46 = 518,494/x
  3. Step 3: Cross multiply
    880,953.88x = 1,215,956.46 × 518,494
  4. Step 4: Simplify right side
    880,953.88x = 630,466,128,771.24
  5. Step 5: Solve for x
    x = 630,466,128,771.24/880,953.88
  6. Step 6: Final answer
    x = 715,663.04

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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.