Home / 589,910.22-814,138.56-360,601.72

Finding the Fourth Proportional to 589,910.22, 814,138.56 and 360,601.72

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Solution

The fourth proportional to 589,910.22, 814,138.56 and 360,601.72 is: 497,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,910.22 : 814,138.56 = 360,601.72 : x
  2. Step 2: Convert to fraction form
    589,910.22/814,138.56 = 360,601.72/x
  3. Step 3: Cross multiply
    589,910.22x = 814,138.56 × 360,601.72
  4. Step 4: Simplify right side
    589,910.22x = 293,579,765,054.32
  5. Step 5: Solve for x
    x = 293,579,765,054.32/589,910.22
  6. Step 6: Final answer
    x = 497,668.55

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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.