Home / 890,197.12-1,335,408.86-282,768.74

Finding the Fourth Proportional to 890,197.12, 1,335,408.86 and 282,768.74

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Solution

The fourth proportional to 890,197.12, 1,335,408.86 and 282,768.74 is: 424,189.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,197.12 : 1,335,408.86 = 282,768.74 : x
  2. Step 2: Convert to fraction form
    890,197.12/1,335,408.86 = 282,768.74/x
  3. Step 3: Cross multiply
    890,197.12x = 1,335,408.86 × 282,768.74
  4. Step 4: Simplify right side
    890,197.12x = 377,611,880,727.04
  5. Step 5: Solve for x
    x = 377,611,880,727.04/890,197.12
  6. Step 6: Final answer
    x = 424,189.06

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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.