Home / 763,725.12-1,145,499.04-202,803.52

Finding the Fourth Proportional to 763,725.12, 1,145,499.04 and 202,803.52

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Solution

The fourth proportional to 763,725.12, 1,145,499.04 and 202,803.52 is: 304,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,725.12 : 1,145,499.04 = 202,803.52 : x
  2. Step 2: Convert to fraction form
    763,725.12/1,145,499.04 = 202,803.52/x
  3. Step 3: Cross multiply
    763,725.12x = 1,145,499.04 × 202,803.52
  4. Step 4: Simplify right side
    763,725.12x = 232,311,237,468.62
  5. Step 5: Solve for x
    x = 232,311,237,468.62/763,725.12
  6. Step 6: Final answer
    x = 304,181.74

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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.