Home / 909,350.29-1,254,974.94-501,489.37

Finding the Fourth Proportional to 909,350.29, 1,254,974.94 and 501,489.37

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Solution

The fourth proportional to 909,350.29, 1,254,974.94 and 501,489.37 is: 692,094.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,350.29 : 1,254,974.94 = 501,489.37 : x
  2. Step 2: Convert to fraction form
    909,350.29/1,254,974.94 = 501,489.37/x
  3. Step 3: Cross multiply
    909,350.29x = 1,254,974.94 × 501,489.37
  4. Step 4: Simplify right side
    909,350.29x = 629,356,583,244.07
  5. Step 5: Solve for x
    x = 629,356,583,244.07/909,350.29
  6. Step 6: Final answer
    x = 692,094.78

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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.