Home / 790,516.16-1,090,911.04-427,939.92

Finding the Fourth Proportional to 790,516.16, 1,090,911.04 and 427,939.92

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Solution

The fourth proportional to 790,516.16, 1,090,911.04 and 427,939.92 is: 590,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,516.16 : 1,090,911.04 = 427,939.92 : x
  2. Step 2: Convert to fraction form
    790,516.16/1,090,911.04 = 427,939.92/x
  3. Step 3: Cross multiply
    790,516.16x = 1,090,911.04 × 427,939.92
  4. Step 4: Simplify right side
    790,516.16x = 466,844,383,648.96
  5. Step 5: Solve for x
    x = 466,844,383,648.96/790,516.16
  6. Step 6: Final answer
    x = 590,556.41

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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.