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Finding the Fourth Proportional to 996,892, 1,495,338 and 296,476

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Solution

The fourth proportional to 996,892, 1,495,338 and 296,476 is: 444,714

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,892 : 1,495,338 = 296,476 : x
  2. Step 2: Convert to fraction form
    996,892/1,495,338 = 296,476/x
  3. Step 3: Cross multiply
    996,892x = 1,495,338 × 296,476
  4. Step 4: Simplify right side
    996,892x = 443,331,828,888
  5. Step 5: Solve for x
    x = 443,331,828,888/996,892
  6. Step 6: Final answer
    x = 444,714

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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.