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Finding the Fourth Proportional to 498,546.06, 746,627.04 and 287,544.30

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Solution

The fourth proportional to 498,546.06, 746,627.04 and 287,544.30 is: 430,628.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,546.06 : 746,627.04 = 287,544.30 : x
  2. Step 2: Convert to fraction form
    498,546.06/746,627.04 = 287,544.30/x
  3. Step 3: Cross multiply
    498,546.06x = 746,627.04 × 287,544.30
  4. Step 4: Simplify right side
    498,546.06x = 214,688,349,577.87
  5. Step 5: Solve for x
    x = 214,688,349,577.87/498,546.06
  6. Step 6: Final answer
    x = 430,628.92

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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.