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Finding the Fourth Proportional to 418,707.86, 577,819.58 and 227,722.64

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Solution

The fourth proportional to 418,707.86, 577,819.58 and 227,722.64 is: 314,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,707.86 : 577,819.58 = 227,722.64 : x
  2. Step 2: Convert to fraction form
    418,707.86/577,819.58 = 227,722.64/x
  3. Step 3: Cross multiply
    418,707.86x = 577,819.58 × 227,722.64
  4. Step 4: Simplify right side
    418,707.86x = 131,582,596,173.58
  5. Step 5: Solve for x
    x = 131,582,596,173.58/418,707.86
  6. Step 6: Final answer
    x = 314,258.72

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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.