Home / 790,167.57-1,090,434.12-427,591.39

Finding the Fourth Proportional to 790,167.57, 1,090,434.12 and 427,591.39

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Solution

The fourth proportional to 790,167.57, 1,090,434.12 and 427,591.39 is: 590,077.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,167.57 : 1,090,434.12 = 427,591.39 : x
  2. Step 2: Convert to fraction form
    790,167.57/1,090,434.12 = 427,591.39/x
  3. Step 3: Cross multiply
    790,167.57x = 1,090,434.12 × 427,591.39
  4. Step 4: Simplify right side
    790,167.57x = 466,260,241,074.23
  5. Step 5: Solve for x
    x = 466,260,241,074.23/790,167.57
  6. Step 6: Final answer
    x = 590,077.67

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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.