Home / 872,401.12-1,203,918.60-490,424.56

Finding the Fourth Proportional to 872,401.12, 1,203,918.60 and 490,424.56

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Solution

The fourth proportional to 872,401.12, 1,203,918.60 and 490,424.56 is: 676,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,401.12 : 1,203,918.60 = 490,424.56 : x
  2. Step 2: Convert to fraction form
    872,401.12/1,203,918.60 = 490,424.56/x
  3. Step 3: Cross multiply
    872,401.12x = 1,203,918.60 × 490,424.56
  4. Step 4: Simplify right side
    872,401.12x = 590,431,249,680.82
  5. Step 5: Solve for x
    x = 590,431,249,680.82/872,401.12
  6. Step 6: Final answer
    x = 676,788.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.