Home / 790,256.30-1,090,553.76-427,682.79

Finding the Fourth Proportional to 790,256.30, 1,090,553.76 and 427,682.79

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Solution

The fourth proportional to 790,256.30, 1,090,553.76 and 427,682.79 is: 590,202.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,256.30 : 1,090,553.76 = 427,682.79 : x
  2. Step 2: Convert to fraction form
    790,256.30/1,090,553.76 = 427,682.79/x
  3. Step 3: Cross multiply
    790,256.30x = 1,090,553.76 × 427,682.79
  4. Step 4: Simplify right side
    790,256.30x = 466,411,074,721.79
  5. Step 5: Solve for x
    x = 466,411,074,721.79/790,256.30
  6. Step 6: Final answer
    x = 590,202.29

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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.