Home / 991,226.16-1,486,834.37-281,255.49

Finding the Fourth Proportional to 991,226.16, 1,486,834.37 and 281,255.49

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Solution

The fourth proportional to 991,226.16, 1,486,834.37 and 281,255.49 is: 421,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,226.16 : 1,486,834.37 = 281,255.49 : x
  2. Step 2: Convert to fraction form
    991,226.16/1,486,834.37 = 281,255.49/x
  3. Step 3: Cross multiply
    991,226.16x = 1,486,834.37 × 281,255.49
  4. Step 4: Simplify right side
    991,226.16x = 418,180,327,876.91
  5. Step 5: Solve for x
    x = 418,180,327,876.91/991,226.16
  6. Step 6: Final answer
    x = 421,881.85

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1.5x scale

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.