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Finding the Fourth Proportional to 586,600.64, 809,502.37 and 328,479.92

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Solution

The fourth proportional to 586,600.64, 809,502.37 and 328,479.92 is: 453,298.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,600.64 : 809,502.37 = 328,479.92 : x
  2. Step 2: Convert to fraction form
    586,600.64/809,502.37 = 328,479.92/x
  3. Step 3: Cross multiply
    586,600.64x = 809,502.37 × 328,479.92
  4. Step 4: Simplify right side
    586,600.64x = 265,905,273,737.41
  5. Step 5: Solve for x
    x = 265,905,273,737.41/586,600.64
  6. Step 6: Final answer
    x = 453,298.64

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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.