Home / 672,044.40-1,008,488.52-272,686.80

Finding the Fourth Proportional to 672,044.40, 1,008,488.52 and 272,686.80

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Solution

The fourth proportional to 672,044.40, 1,008,488.52 and 272,686.80 is: 409,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,044.40 : 1,008,488.52 = 272,686.80 : x
  2. Step 2: Convert to fraction form
    672,044.40/1,008,488.52 = 272,686.80/x
  3. Step 3: Cross multiply
    672,044.40x = 1,008,488.52 × 272,686.80
  4. Step 4: Simplify right side
    672,044.40x = 275,001,507,355.54
  5. Step 5: Solve for x
    x = 275,001,507,355.54/672,044.40
  6. Step 6: Final answer
    x = 409,201.40

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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.