Home / 876,629.10-1,314,943.65-729,006.60

Finding the Fourth Proportional to 876,629.10, 1,314,943.65 and 729,006.60

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Solution

The fourth proportional to 876,629.10, 1,314,943.65 and 729,006.60 is: 1,093,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,629.10 : 1,314,943.65 = 729,006.60 : x
  2. Step 2: Convert to fraction form
    876,629.10/1,314,943.65 = 729,006.60/x
  3. Step 3: Cross multiply
    876,629.10x = 1,314,943.65 × 729,006.60
  4. Step 4: Simplify right side
    876,629.10x = 958,602,599,478.09
  5. Step 5: Solve for x
    x = 958,602,599,478.09/876,629.10
  6. Step 6: Final answer
    x = 1,093,509.90

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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.