Home / 702,970.30-1,054,237.19-253,632.62

Finding the Fourth Proportional to 702,970.30, 1,054,237.19 and 253,632.62

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Solution

The fourth proportional to 702,970.30, 1,054,237.19 and 253,632.62 is: 380,370.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,970.30 : 1,054,237.19 = 253,632.62 : x
  2. Step 2: Convert to fraction form
    702,970.30/1,054,237.19 = 253,632.62/x
  3. Step 3: Cross multiply
    702,970.30x = 1,054,237.19 × 253,632.62
  4. Step 4: Simplify right side
    702,970.30x = 267,388,940,601.14
  5. Step 5: Solve for x
    x = 267,388,940,601.14/702,970.30
  6. Step 6: Final answer
    x = 380,370.18

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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.