Home / 790,241.76-1,090,533.66-427,665.66

Finding the Fourth Proportional to 790,241.76, 1,090,533.66 and 427,665.66

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Solution

The fourth proportional to 790,241.76, 1,090,533.66 and 427,665.66 is: 590,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,241.76 : 1,090,533.66 = 427,665.66 : x
  2. Step 2: Convert to fraction form
    790,241.76/1,090,533.66 = 427,665.66/x
  3. Step 3: Cross multiply
    790,241.76x = 1,090,533.66 × 427,665.66
  4. Step 4: Simplify right side
    790,241.76x = 466,383,797,456.12
  5. Step 5: Solve for x
    x = 466,383,797,456.12/790,241.76
  6. Step 6: Final answer
    x = 590,178.63

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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.