Home / 672,022.90-1,008,034.35-272,854.90

Finding the Fourth Proportional to 672,022.90, 1,008,034.35 and 272,854.90

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Solution

The fourth proportional to 672,022.90, 1,008,034.35 and 272,854.90 is: 409,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,022.90 : 1,008,034.35 = 272,854.90 : x
  2. Step 2: Convert to fraction form
    672,022.90/1,008,034.35 = 272,854.90/x
  3. Step 3: Cross multiply
    672,022.90x = 1,008,034.35 × 272,854.90
  4. Step 4: Simplify right side
    672,022.90x = 275,047,111,765.82
  5. Step 5: Solve for x
    x = 275,047,111,765.82/672,022.90
  6. Step 6: Final answer
    x = 409,282.35

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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.