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Finding the Fourth Proportional to 882,493.08, 1,322,818.02 and 432,591

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Solution

The fourth proportional to 882,493.08, 1,322,818.02 and 432,591 is: 648,434.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,493.08 : 1,322,818.02 = 432,591 : x
  2. Step 2: Convert to fraction form
    882,493.08/1,322,818.02 = 432,591/x
  3. Step 3: Cross multiply
    882,493.08x = 1,322,818.02 × 432,591
  4. Step 4: Simplify right side
    882,493.08x = 572,239,170,089.82
  5. Step 5: Solve for x
    x = 572,239,170,089.82/882,493.08
  6. Step 6: Final answer
    x = 648,434.74

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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.