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Finding the Fourth Proportional to 498,956.32, 748,907.60 and 308,841.56

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Solution

The fourth proportional to 498,956.32, 748,907.60 and 308,841.56 is: 463,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,956.32 : 748,907.60 = 308,841.56 : x
  2. Step 2: Convert to fraction form
    498,956.32/748,907.60 = 308,841.56/x
  3. Step 3: Cross multiply
    498,956.32x = 748,907.60 × 308,841.56
  4. Step 4: Simplify right side
    498,956.32x = 231,293,791,479.86
  5. Step 5: Solve for x
    x = 231,293,791,479.86/498,956.32
  6. Step 6: Final answer
    x = 463,555.19

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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.