Home / 838,245.90-1,153,857.51-730,628.22

Finding the Fourth Proportional to 838,245.90, 1,153,857.51 and 730,628.22

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Solution

The fourth proportional to 838,245.90, 1,153,857.51 and 730,628.22 is: 1,005,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,245.90 : 1,153,857.51 = 730,628.22 : x
  2. Step 2: Convert to fraction form
    838,245.90/1,153,857.51 = 730,628.22/x
  3. Step 3: Cross multiply
    838,245.90x = 1,153,857.51 × 730,628.22
  4. Step 4: Simplify right side
    838,245.90x = 843,040,858,664.93
  5. Step 5: Solve for x
    x = 843,040,858,664.93/838,245.90
  6. Step 6: Final answer
    x = 1,005,720.23

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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.