Home / 790,140.42-1,090,385.82-427,556.34

Finding the Fourth Proportional to 790,140.42, 1,090,385.82 and 427,556.34

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Solution

The fourth proportional to 790,140.42, 1,090,385.82 and 427,556.34 is: 590,023.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,140.42 : 1,090,385.82 = 427,556.34 : x
  2. Step 2: Convert to fraction form
    790,140.42/1,090,385.82 = 427,556.34/x
  3. Step 3: Cross multiply
    790,140.42x = 1,090,385.82 × 427,556.34
  4. Step 4: Simplify right side
    790,140.42x = 466,201,370,387.10
  5. Step 5: Solve for x
    x = 466,201,370,387.10/790,140.42
  6. Step 6: Final answer
    x = 590,023.44

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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.