Home / 890,844.30-1,336,266.45-654,648.30

Finding the Fourth Proportional to 890,844.30, 1,336,266.45 and 654,648.30

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Solution

The fourth proportional to 890,844.30, 1,336,266.45 and 654,648.30 is: 981,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,844.30 : 1,336,266.45 = 654,648.30 : x
  2. Step 2: Convert to fraction form
    890,844.30/1,336,266.45 = 654,648.30/x
  3. Step 3: Cross multiply
    890,844.30x = 1,336,266.45 × 654,648.30
  4. Step 4: Simplify right side
    890,844.30x = 874,784,559,839.54
  5. Step 5: Solve for x
    x = 874,784,559,839.54/890,844.30
  6. Step 6: Final answer
    x = 981,972.45

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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.