Home / 890,864.40-1,333,672.20-591,682.80

Finding the Fourth Proportional to 890,864.40, 1,333,672.20 and 591,682.80

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Solution

The fourth proportional to 890,864.40, 1,333,672.20 and 591,682.80 is: 885,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,864.40 : 1,333,672.20 = 591,682.80 : x
  2. Step 2: Convert to fraction form
    890,864.40/1,333,672.20 = 591,682.80/x
  3. Step 3: Cross multiply
    890,864.40x = 1,333,672.20 × 591,682.80
  4. Step 4: Simplify right side
    890,864.40x = 789,110,901,578.16
  5. Step 5: Solve for x
    x = 789,110,901,578.16/890,864.40
  6. Step 6: Final answer
    x = 885,781.16

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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.