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Finding the Fourth Proportional to 447,230.68, 668,290.88 and 340,025.56

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Solution

The fourth proportional to 447,230.68, 668,290.88 and 340,025.56 is: 508,095.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,230.68 : 668,290.88 = 340,025.56 : x
  2. Step 2: Convert to fraction form
    447,230.68/668,290.88 = 340,025.56/x
  3. Step 3: Cross multiply
    447,230.68x = 668,290.88 × 340,025.56
  4. Step 4: Simplify right side
    447,230.68x = 227,235,980,714.89
  5. Step 5: Solve for x
    x = 227,235,980,714.89/447,230.68
  6. Step 6: Final answer
    x = 508,095.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.