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Finding the Fourth Proportional to 630,207.36, 945,324 and 351,498.24

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Solution

The fourth proportional to 630,207.36, 945,324 and 351,498.24 is: 527,254.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,207.36 : 945,324 = 351,498.24 : x
  2. Step 2: Convert to fraction form
    630,207.36/945,324 = 351,498.24/x
  3. Step 3: Cross multiply
    630,207.36x = 945,324 × 351,498.24
  4. Step 4: Simplify right side
    630,207.36x = 332,279,722,229.76
  5. Step 5: Solve for x
    x = 332,279,722,229.76/630,207.36
  6. Step 6: Final answer
    x = 527,254.59

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1.5x scale

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.