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Finding the Fourth Proportional to 630,285.66, 944,641.08 and 405,046.62

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Solution

The fourth proportional to 630,285.66, 944,641.08 and 405,046.62 is: 607,063.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,285.66 : 944,641.08 = 405,046.62 : x
  2. Step 2: Convert to fraction form
    630,285.66/944,641.08 = 405,046.62/x
  3. Step 3: Cross multiply
    630,285.66x = 944,641.08 × 405,046.62
  4. Step 4: Simplify right side
    630,285.66x = 382,623,676,567.15
  5. Step 5: Solve for x
    x = 382,623,676,567.15/630,285.66
  6. Step 6: Final answer
    x = 607,063.91

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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.