Home / 702,970.35-1,054,455.53-253,760.55

Finding the Fourth Proportional to 702,970.35, 1,054,455.53 and 253,760.55

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Solution

The fourth proportional to 702,970.35, 1,054,455.53 and 253,760.55 is: 380,640.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,970.35 : 1,054,455.53 = 253,760.55 : x
  2. Step 2: Convert to fraction form
    702,970.35/1,054,455.53 = 253,760.55/x
  3. Step 3: Cross multiply
    702,970.35x = 1,054,455.53 × 253,760.55
  4. Step 4: Simplify right side
    702,970.35x = 267,579,215,243.34
  5. Step 5: Solve for x
    x = 267,579,215,243.34/702,970.35
  6. Step 6: Final answer
    x = 380,640.83

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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.