Home / 883,716.19-1,324,338.53-478,032.55

Finding the Fourth Proportional to 883,716.19, 1,324,338.53 and 478,032.55

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Solution

The fourth proportional to 883,716.19, 1,324,338.53 and 478,032.55 is: 716,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,716.19 : 1,324,338.53 = 478,032.55 : x
  2. Step 2: Convert to fraction form
    883,716.19/1,324,338.53 = 478,032.55/x
  3. Step 3: Cross multiply
    883,716.19x = 1,324,338.53 × 478,032.55
  4. Step 4: Simplify right side
    883,716.19x = 633,076,918,858.14
  5. Step 5: Solve for x
    x = 633,076,918,858.14/883,716.19
  6. Step 6: Final answer
    x = 716,380.36

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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.