Home / 909,716.25-1,255,386.26-501,809.16

Finding the Fourth Proportional to 909,716.25, 1,255,386.26 and 501,809.16

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Solution

The fourth proportional to 909,716.25, 1,255,386.26 and 501,809.16 is: 692,484.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,716.25 : 1,255,386.26 = 501,809.16 : x
  2. Step 2: Convert to fraction form
    909,716.25/1,255,386.26 = 501,809.16/x
  3. Step 3: Cross multiply
    909,716.25x = 1,255,386.26 × 501,809.16
  4. Step 4: Simplify right side
    909,716.25x = 629,964,324,606.14
  5. Step 5: Solve for x
    x = 629,964,324,606.14/909,716.25
  6. Step 6: Final answer
    x = 692,484.41

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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.