Home / 793,314.10-1,188,221.55-418,899.70

Finding the Fourth Proportional to 793,314.10, 1,188,221.55 and 418,899.70

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Solution

The fourth proportional to 793,314.10, 1,188,221.55 and 418,899.70 is: 627,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,314.10 : 1,188,221.55 = 418,899.70 : x
  2. Step 2: Convert to fraction form
    793,314.10/1,188,221.55 = 418,899.70/x
  3. Step 3: Cross multiply
    793,314.10x = 1,188,221.55 × 418,899.70
  4. Step 4: Simplify right side
    793,314.10x = 497,745,650,828.54
  5. Step 5: Solve for x
    x = 497,745,650,828.54/793,314.10
  6. Step 6: Final answer
    x = 627,425.70

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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.