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Finding the Fourth Proportional to 630,398.88, 945,598.32 and 270,491.58

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Solution

The fourth proportional to 630,398.88, 945,598.32 and 270,491.58 is: 405,737.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,398.88 : 945,598.32 = 270,491.58 : x
  2. Step 2: Convert to fraction form
    630,398.88/945,598.32 = 270,491.58/x
  3. Step 3: Cross multiply
    630,398.88x = 945,598.32 × 270,491.58
  4. Step 4: Simplify right side
    630,398.88x = 255,776,383,622.15
  5. Step 5: Solve for x
    x = 255,776,383,622.15/630,398.88
  6. Step 6: Final answer
    x = 405,737.37

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Similar ratio
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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.