Home / 804,765.02-1,207,142.69-205,725.20

Finding the Fourth Proportional to 804,765.02, 1,207,142.69 and 205,725.20

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Solution

The fourth proportional to 804,765.02, 1,207,142.69 and 205,725.20 is: 308,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,765.02 : 1,207,142.69 = 205,725.20 : x
  2. Step 2: Convert to fraction form
    804,765.02/1,207,142.69 = 205,725.20/x
  3. Step 3: Cross multiply
    804,765.02x = 1,207,142.69 × 205,725.20
  4. Step 4: Simplify right side
    804,765.02x = 248,339,664,264.45
  5. Step 5: Solve for x
    x = 248,339,664,264.45/804,765.02
  6. Step 6: Final answer
    x = 308,586.56

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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.