Home / 890,986.03-1,229,569.49-483,086.84

Finding the Fourth Proportional to 890,986.03, 1,229,569.49 and 483,086.84

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Solution

The fourth proportional to 890,986.03, 1,229,569.49 and 483,086.84 is: 666,664.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,986.03 : 1,229,569.49 = 483,086.84 : x
  2. Step 2: Convert to fraction form
    890,986.03/1,229,569.49 = 483,086.84/x
  3. Step 3: Cross multiply
    890,986.03x = 1,229,569.49 × 483,086.84
  4. Step 4: Simplify right side
    890,986.03x = 593,988,834,544.38
  5. Step 5: Solve for x
    x = 593,988,834,544.38/890,986.03
  6. Step 6: Final answer
    x = 666,664.59

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Double scale
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1.5x scale

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.