Home / 791,037-1,091,624.40-428,452.32

Finding the Fourth Proportional to 791,037, 1,091,624.40 and 428,452.32

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Solution

The fourth proportional to 791,037, 1,091,624.40 and 428,452.32 is: 591,260.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,037 : 1,091,624.40 = 428,452.32 : x
  2. Step 2: Convert to fraction form
    791,037/1,091,624.40 = 428,452.32/x
  3. Step 3: Cross multiply
    791,037x = 1,091,624.40 × 428,452.32
  4. Step 4: Simplify right side
    791,037x = 467,709,006,748.61
  5. Step 5: Solve for x
    x = 467,709,006,748.61/791,037
  6. Step 6: Final answer
    x = 591,260.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.