Home / 890,143.58-1,335,214.96-591,207.68

Finding the Fourth Proportional to 890,143.58, 1,335,214.96 and 591,207.68

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Solution

The fourth proportional to 890,143.58, 1,335,214.96 and 591,207.68 is: 886,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,143.58 : 1,335,214.96 = 591,207.68 : x
  2. Step 2: Convert to fraction form
    890,143.58/1,335,214.96 = 591,207.68/x
  3. Step 3: Cross multiply
    890,143.58x = 1,335,214.96 × 591,207.68
  4. Step 4: Simplify right side
    890,143.58x = 789,389,338,802.89
  5. Step 5: Solve for x
    x = 789,389,338,802.89/890,143.58
  6. Step 6: Final answer
    x = 886,811.25

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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.