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Finding the Fourth Proportional to 462,669.60, 693,226.80 and 304,816.80

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Solution

The fourth proportional to 462,669.60, 693,226.80 and 304,816.80 is: 456,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,669.60 : 693,226.80 = 304,816.80 : x
  2. Step 2: Convert to fraction form
    462,669.60/693,226.80 = 304,816.80/x
  3. Step 3: Cross multiply
    462,669.60x = 693,226.80 × 304,816.80
  4. Step 4: Simplify right side
    462,669.60x = 211,307,174,850.24
  5. Step 5: Solve for x
    x = 211,307,174,850.24/462,669.60
  6. Step 6: Final answer
    x = 456,712.90

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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.