Home / 672,293.10-1,008,415.35-272,922.60

Finding the Fourth Proportional to 672,293.10, 1,008,415.35 and 272,922.60

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Solution

The fourth proportional to 672,293.10, 1,008,415.35 and 272,922.60 is: 409,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,293.10 : 1,008,415.35 = 272,922.60 : x
  2. Step 2: Convert to fraction form
    672,293.10/1,008,415.35 = 272,922.60/x
  3. Step 3: Cross multiply
    672,293.10x = 1,008,415.35 × 272,922.60
  4. Step 4: Simplify right side
    672,293.10x = 275,219,339,201.91
  5. Step 5: Solve for x
    x = 275,219,339,201.91/672,293.10
  6. Step 6: Final answer
    x = 409,374.04

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1.5x scale

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.