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Finding the Fourth Proportional to 650,819.80, 898,134.86 and 360,440.88

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Solution

The fourth proportional to 650,819.80, 898,134.86 and 360,440.88 is: 497,410.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,819.80 : 898,134.86 = 360,440.88 : x
  2. Step 2: Convert to fraction form
    650,819.80/898,134.86 = 360,440.88/x
  3. Step 3: Cross multiply
    650,819.80x = 898,134.86 × 360,440.88
  4. Step 4: Simplify right side
    650,819.80x = 323,724,519,297.08
  5. Step 5: Solve for x
    x = 323,724,519,297.08/650,819.80
  6. Step 6: Final answer
    x = 497,410.37

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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.