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Finding the Fourth Proportional to 462,115.80, 692,007.30 and 303,485.40

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Solution

The fourth proportional to 462,115.80, 692,007.30 and 303,485.40 is: 454,462.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,115.80 : 692,007.30 = 303,485.40 : x
  2. Step 2: Convert to fraction form
    462,115.80/692,007.30 = 303,485.40/x
  3. Step 3: Cross multiply
    462,115.80x = 692,007.30 × 303,485.40
  4. Step 4: Simplify right side
    462,115.80x = 210,014,112,243.42
  5. Step 5: Solve for x
    x = 210,014,112,243.42/462,115.80
  6. Step 6: Final answer
    x = 454,462.09

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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.