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Finding the Fourth Proportional to 608,630.64, 913,337.64 and 328,341.36

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Solution

The fourth proportional to 608,630.64, 913,337.64 and 328,341.36 is: 492,723.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,630.64 : 913,337.64 = 328,341.36 : x
  2. Step 2: Convert to fraction form
    608,630.64/913,337.64 = 328,341.36/x
  3. Step 3: Cross multiply
    608,630.64x = 913,337.64 × 328,341.36
  4. Step 4: Simplify right side
    608,630.64x = 299,886,522,856.79
  5. Step 5: Solve for x
    x = 299,886,522,856.79/608,630.64
  6. Step 6: Final answer
    x = 492,723.34

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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.