Home / 790,138.56-1,090,394.11-427,562.43

Finding the Fourth Proportional to 790,138.56, 1,090,394.11 and 427,562.43

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Solution

The fourth proportional to 790,138.56, 1,090,394.11 and 427,562.43 is: 590,037.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,138.56 : 1,090,394.11 = 427,562.43 : x
  2. Step 2: Convert to fraction form
    790,138.56/1,090,394.11 = 427,562.43/x
  3. Step 3: Cross multiply
    790,138.56x = 1,090,394.11 × 427,562.43
  4. Step 4: Simplify right side
    790,138.56x = 466,211,555,329.29
  5. Step 5: Solve for x
    x = 466,211,555,329.29/790,138.56
  6. Step 6: Final answer
    x = 590,037.72

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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.