Home / 891,948.33-1,230,889.52-484,050.25

Finding the Fourth Proportional to 891,948.33, 1,230,889.52 and 484,050.25

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Solution

The fourth proportional to 891,948.33, 1,230,889.52 and 484,050.25 is: 667,989.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,948.33 : 1,230,889.52 = 484,050.25 : x
  2. Step 2: Convert to fraction form
    891,948.33/1,230,889.52 = 484,050.25/x
  3. Step 3: Cross multiply
    891,948.33x = 1,230,889.52 × 484,050.25
  4. Step 4: Simplify right side
    891,948.33x = 595,812,379,878.38
  5. Step 5: Solve for x
    x = 595,812,379,878.38/891,948.33
  6. Step 6: Final answer
    x = 667,989.79

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Double scale
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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.