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Finding the Fourth Proportional to 535,900.68, 803,100.42 and 402,696

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Solution

The fourth proportional to 535,900.68, 803,100.42 and 402,696 is: 603,479.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,900.68 : 803,100.42 = 402,696 : x
  2. Step 2: Convert to fraction form
    535,900.68/803,100.42 = 402,696/x
  3. Step 3: Cross multiply
    535,900.68x = 803,100.42 × 402,696
  4. Step 4: Simplify right side
    535,900.68x = 323,405,326,732.32
  5. Step 5: Solve for x
    x = 323,405,326,732.32/535,900.68
  6. Step 6: Final answer
    x = 603,479.97

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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.