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Finding the Fourth Proportional to 485,594.14, 669,881.73 and 324,488.74

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Solution

The fourth proportional to 485,594.14, 669,881.73 and 324,488.74 is: 447,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,594.14 : 669,881.73 = 324,488.74 : x
  2. Step 2: Convert to fraction form
    485,594.14/669,881.73 = 324,488.74/x
  3. Step 3: Cross multiply
    485,594.14x = 669,881.73 × 324,488.74
  4. Step 4: Simplify right side
    485,594.14x = 217,369,078,516.72
  5. Step 5: Solve for x
    x = 217,369,078,516.72/485,594.14
  6. Step 6: Final answer
    x = 447,635.30

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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.