Home / 790,228.17-1,090,516.82-427,654.68

Finding the Fourth Proportional to 790,228.17, 1,090,516.82 and 427,654.68

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Solution

The fourth proportional to 790,228.17, 1,090,516.82 and 427,654.68 is: 590,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,228.17 : 1,090,516.82 = 427,654.68 : x
  2. Step 2: Convert to fraction form
    790,228.17/1,090,516.82 = 427,654.68/x
  3. Step 3: Cross multiply
    790,228.17x = 1,090,516.82 × 427,654.68
  4. Step 4: Simplify right side
    790,228.17x = 466,364,619,553.44
  5. Step 5: Solve for x
    x = 466,364,619,553.44/790,228.17
  6. Step 6: Final answer
    x = 590,164.51

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Double scale
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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.