Home / 859,508.76-1,289,412.18-327,076.32

Finding the Fourth Proportional to 859,508.76, 1,289,412.18 and 327,076.32

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Solution

The fourth proportional to 859,508.76, 1,289,412.18 and 327,076.32 is: 490,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,508.76 : 1,289,412.18 = 327,076.32 : x
  2. Step 2: Convert to fraction form
    859,508.76/1,289,412.18 = 327,076.32/x
  3. Step 3: Cross multiply
    859,508.76x = 1,289,412.18 × 327,076.32
  4. Step 4: Simplify right side
    859,508.76x = 421,736,190,797.58
  5. Step 5: Solve for x
    x = 421,736,190,797.58/859,508.76
  6. Step 6: Final answer
    x = 490,671.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.