Home / 702,980.96-1,054,253.55-253,643.60

Finding the Fourth Proportional to 702,980.96, 1,054,253.55 and 253,643.60

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Solution

The fourth proportional to 702,980.96, 1,054,253.55 and 253,643.60 is: 380,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,980.96 : 1,054,253.55 = 253,643.60 : x
  2. Step 2: Convert to fraction form
    702,980.96/1,054,253.55 = 253,643.60/x
  3. Step 3: Cross multiply
    702,980.96x = 1,054,253.55 × 253,643.60
  4. Step 4: Simplify right side
    702,980.96x = 267,404,665,734.78
  5. Step 5: Solve for x
    x = 267,404,665,734.78/702,980.96
  6. Step 6: Final answer
    x = 380,386.78

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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.