Home / 891,918.58-1,230,848.43-484,020.42

Finding the Fourth Proportional to 891,918.58, 1,230,848.43 and 484,020.42

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Solution

The fourth proportional to 891,918.58, 1,230,848.43 and 484,020.42 is: 667,948.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,918.58 : 1,230,848.43 = 484,020.42 : x
  2. Step 2: Convert to fraction form
    891,918.58/1,230,848.43 = 484,020.42/x
  3. Step 3: Cross multiply
    891,918.58x = 1,230,848.43 × 484,020.42
  4. Step 4: Simplify right side
    891,918.58x = 595,755,773,117.93
  5. Step 5: Solve for x
    x = 595,755,773,117.93/891,918.58
  6. Step 6: Final answer
    x = 667,948.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.