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Finding the Fourth Proportional to 567,287.56, 782,846.24 and 309,166.62

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Solution

The fourth proportional to 567,287.56, 782,846.24 and 309,166.62 is: 426,644.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,287.56 : 782,846.24 = 309,166.62 : x
  2. Step 2: Convert to fraction form
    567,287.56/782,846.24 = 309,166.62/x
  3. Step 3: Cross multiply
    567,287.56x = 782,846.24 × 309,166.62
  4. Step 4: Simplify right side
    567,287.56x = 242,029,926,000.51
  5. Step 5: Solve for x
    x = 242,029,926,000.51/567,287.56
  6. Step 6: Final answer
    x = 426,644.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.