Home / 476,966.66-658,070.44-285,910.34

Finding the Fourth Proportional to 476,966.66, 658,070.44 and 285,910.34

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Solution

The fourth proportional to 476,966.66, 658,070.44 and 285,910.34 is: 394,470.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,966.66 : 658,070.44 = 285,910.34 : x
  2. Step 2: Convert to fraction form
    476,966.66/658,070.44 = 285,910.34/x
  3. Step 3: Cross multiply
    476,966.66x = 658,070.44 × 285,910.34
  4. Step 4: Simplify right side
    476,966.66x = 188,149,143,244.35
  5. Step 5: Solve for x
    x = 188,149,143,244.35/476,966.66
  6. Step 6: Final answer
    x = 394,470.22

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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.