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Finding the Fourth Proportional to 486,001.62, 670,822.97 and 282,098.30

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Solution

The fourth proportional to 486,001.62, 670,822.97 and 282,098.30 is: 389,377.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,001.62 : 670,822.97 = 282,098.30 : x
  2. Step 2: Convert to fraction form
    486,001.62/670,822.97 = 282,098.30/x
  3. Step 3: Cross multiply
    486,001.62x = 670,822.97 × 282,098.30
  4. Step 4: Simplify right side
    486,001.62x = 189,238,014,673.35
  5. Step 5: Solve for x
    x = 189,238,014,673.35/486,001.62
  6. Step 6: Final answer
    x = 389,377.33

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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.