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Finding the Fourth Proportional to 458,804.79, 687,828.15 and 202,454.82

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Solution

The fourth proportional to 458,804.79, 687,828.15 and 202,454.82 is: 303,514.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,804.79 : 687,828.15 = 202,454.82 : x
  2. Step 2: Convert to fraction form
    458,804.79/687,828.15 = 202,454.82/x
  3. Step 3: Cross multiply
    458,804.79x = 687,828.15 × 202,454.82
  4. Step 4: Simplify right side
    458,804.79x = 139,254,124,299.18
  5. Step 5: Solve for x
    x = 139,254,124,299.18/458,804.79
  6. Step 6: Final answer
    x = 303,514.97

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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.