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Finding the Fourth Proportional to 526,644.76, 726,856.72 and 322,809.08

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Solution

The fourth proportional to 526,644.76, 726,856.72 and 322,809.08 is: 445,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,644.76 : 726,856.72 = 322,809.08 : x
  2. Step 2: Convert to fraction form
    526,644.76/726,856.72 = 322,809.08/x
  3. Step 3: Cross multiply
    526,644.76x = 726,856.72 × 322,809.08
  4. Step 4: Simplify right side
    526,644.76x = 234,635,949,075.02
  5. Step 5: Solve for x
    x = 234,635,949,075.02/526,644.76
  6. Step 6: Final answer
    x = 445,529.83

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Double scale
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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.