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Finding the Fourth Proportional to 507,906.60, 761,866.38 and 350,092.68

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Solution

The fourth proportional to 507,906.60, 761,866.38 and 350,092.68 is: 525,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,906.60 : 761,866.38 = 350,092.68 : x
  2. Step 2: Convert to fraction form
    507,906.60/761,866.38 = 350,092.68/x
  3. Step 3: Cross multiply
    507,906.60x = 761,866.38 × 350,092.68
  4. Step 4: Simplify right side
    507,906.60x = 266,723,842,776.10
  5. Step 5: Solve for x
    x = 266,723,842,776.10/507,906.60
  6. Step 6: Final answer
    x = 525,143.49

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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.