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Finding the Fourth Proportional to 579,886.76, 800,246.58 and 325,251.56

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Solution

The fourth proportional to 579,886.76, 800,246.58 and 325,251.56 is: 448,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,886.76 : 800,246.58 = 325,251.56 : x
  2. Step 2: Convert to fraction form
    579,886.76/800,246.58 = 325,251.56/x
  3. Step 3: Cross multiply
    579,886.76x = 800,246.58 × 325,251.56
  4. Step 4: Simplify right side
    579,886.76x = 260,281,448,529.67
  5. Step 5: Solve for x
    x = 260,281,448,529.67/579,886.76
  6. Step 6: Final answer
    x = 448,848.75

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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.