Home / 890,073.30-1,335,109.65-591,137.52

Finding the Fourth Proportional to 890,073.30, 1,335,109.65 and 591,137.52

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Solution

The fourth proportional to 890,073.30, 1,335,109.65 and 591,137.52 is: 886,706.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,073.30 : 1,335,109.65 = 591,137.52 : x
  2. Step 2: Convert to fraction form
    890,073.30/1,335,109.65 = 591,137.52/x
  3. Step 3: Cross multiply
    890,073.30x = 1,335,109.65 × 591,137.52
  4. Step 4: Simplify right side
    890,073.30x = 789,233,407,429.07
  5. Step 5: Solve for x
    x = 789,233,407,429.07/890,073.30
  6. Step 6: Final answer
    x = 886,706.08

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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.