Home / 850,221-1,173,202.92-487,626.12

Finding the Fourth Proportional to 850,221, 1,173,202.92 and 487,626.12

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Solution

The fourth proportional to 850,221, 1,173,202.92 and 487,626.12 is: 672,865.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,221 : 1,173,202.92 = 487,626.12 : x
  2. Step 2: Convert to fraction form
    850,221/1,173,202.92 = 487,626.12/x
  3. Step 3: Cross multiply
    850,221x = 1,173,202.92 × 487,626.12
  4. Step 4: Simplify right side
    850,221x = 572,084,387,852.27
  5. Step 5: Solve for x
    x = 572,084,387,852.27/850,221
  6. Step 6: Final answer
    x = 672,865.51

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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.