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Finding the Fourth Proportional to 452,023.92, 623,879.01 and 299,065.14

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Solution

The fourth proportional to 452,023.92, 623,879.01 and 299,065.14 is: 412,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,023.92 : 623,879.01 = 299,065.14 : x
  2. Step 2: Convert to fraction form
    452,023.92/623,879.01 = 299,065.14/x
  3. Step 3: Cross multiply
    452,023.92x = 623,879.01 × 299,065.14
  4. Step 4: Simplify right side
    452,023.92x = 186,580,463,468.71
  5. Step 5: Solve for x
    x = 186,580,463,468.71/452,023.92
  6. Step 6: Final answer
    x = 412,766.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.