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Finding the Fourth Proportional to 630,026.87, 945,344.39 and 310,005.18

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Solution

The fourth proportional to 630,026.87, 945,344.39 and 310,005.18 is: 465,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,026.87 : 945,344.39 = 310,005.18 : x
  2. Step 2: Convert to fraction form
    630,026.87/945,344.39 = 310,005.18/x
  3. Step 3: Cross multiply
    630,026.87x = 945,344.39 × 310,005.18
  4. Step 4: Simplify right side
    630,026.87x = 293,061,656,233.91
  5. Step 5: Solve for x
    x = 293,061,656,233.91/630,026.87
  6. Step 6: Final answer
    x = 465,157.40

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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.