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Finding the Fourth Proportional to 462,254.99, 692,198.60 and 319,903.16

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Solution

The fourth proportional to 462,254.99, 692,198.60 and 319,903.16 is: 479,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,254.99 : 692,198.60 = 319,903.16 : x
  2. Step 2: Convert to fraction form
    462,254.99/692,198.60 = 319,903.16/x
  3. Step 3: Cross multiply
    462,254.99x = 692,198.60 × 319,903.16
  4. Step 4: Simplify right side
    462,254.99x = 221,436,514,427.07
  5. Step 5: Solve for x
    x = 221,436,514,427.07/462,254.99
  6. Step 6: Final answer
    x = 479,035.43

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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.