Home / 672,264.10-1,008,371.85-272,893.60

Finding the Fourth Proportional to 672,264.10, 1,008,371.85 and 272,893.60

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Solution

The fourth proportional to 672,264.10, 1,008,371.85 and 272,893.60 is: 409,330.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,264.10 : 1,008,371.85 = 272,893.60 : x
  2. Step 2: Convert to fraction form
    672,264.10/1,008,371.85 = 272,893.60/x
  3. Step 3: Cross multiply
    672,264.10x = 1,008,371.85 × 272,893.60
  4. Step 4: Simplify right side
    672,264.10x = 275,178,224,285.16
  5. Step 5: Solve for x
    x = 275,178,224,285.16/672,264.10
  6. Step 6: Final answer
    x = 409,330.54

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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.