Home / 702,942.55-1,054,195.89-253,605.07

Finding the Fourth Proportional to 702,942.55, 1,054,195.89 and 253,605.07

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Solution

The fourth proportional to 702,942.55, 1,054,195.89 and 253,605.07 is: 380,328.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,942.55 : 1,054,195.89 = 253,605.07 : x
  2. Step 2: Convert to fraction form
    702,942.55/1,054,195.89 = 253,605.07/x
  3. Step 3: Cross multiply
    702,942.55x = 1,054,195.89 × 253,605.07
  4. Step 4: Simplify right side
    702,942.55x = 267,349,422,477.16
  5. Step 5: Solve for x
    x = 267,349,422,477.16/702,942.55
  6. Step 6: Final answer
    x = 380,328.98

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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.