Home / 901,160.64-1,243,912.14-519,339.60

Finding the Fourth Proportional to 901,160.64, 1,243,912.14 and 519,339.60

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Solution

The fourth proportional to 901,160.64, 1,243,912.14 and 519,339.60 is: 716,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,160.64 : 1,243,912.14 = 519,339.60 : x
  2. Step 2: Convert to fraction form
    901,160.64/1,243,912.14 = 519,339.60/x
  3. Step 3: Cross multiply
    901,160.64x = 1,243,912.14 × 519,339.60
  4. Step 4: Simplify right side
    901,160.64x = 646,012,833,222.74
  5. Step 5: Solve for x
    x = 646,012,833,222.74/901,160.64
  6. Step 6: Final answer
    x = 716,867.56

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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.