Home / 838,825.96-1,157,538.57-476,202.22

Finding the Fourth Proportional to 838,825.96, 1,157,538.57 and 476,202.22

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Solution

The fourth proportional to 838,825.96, 1,157,538.57 and 476,202.22 is: 657,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,825.96 : 1,157,538.57 = 476,202.22 : x
  2. Step 2: Convert to fraction form
    838,825.96/1,157,538.57 = 476,202.22/x
  3. Step 3: Cross multiply
    838,825.96x = 1,157,538.57 × 476,202.22
  4. Step 4: Simplify right side
    838,825.96x = 551,222,436,430.79
  5. Step 5: Solve for x
    x = 551,222,436,430.79/838,825.96
  6. Step 6: Final answer
    x = 657,135.64

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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.