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Finding the Fourth Proportional to 536,873.29, 803,557.56 and 394,680.91

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Solution

The fourth proportional to 536,873.29, 803,557.56 and 394,680.91 is: 590,733.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,873.29 : 803,557.56 = 394,680.91 : x
  2. Step 2: Convert to fraction form
    536,873.29/803,557.56 = 394,680.91/x
  3. Step 3: Cross multiply
    536,873.29x = 803,557.56 × 394,680.91
  4. Step 4: Simplify right side
    536,873.29x = 317,148,829,018.18
  5. Step 5: Solve for x
    x = 317,148,829,018.18/536,873.29
  6. Step 6: Final answer
    x = 590,733.11

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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.