Home / 669,747.30-1,004,965.43-370,172.04

Finding the Fourth Proportional to 669,747.30, 1,004,965.43 and 370,172.04

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Solution

The fourth proportional to 669,747.30, 1,004,965.43 and 370,172.04 is: 555,448.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,747.30 : 1,004,965.43 = 370,172.04 : x
  2. Step 2: Convert to fraction form
    669,747.30/1,004,965.43 = 370,172.04/x
  3. Step 3: Cross multiply
    669,747.30x = 1,004,965.43 × 370,172.04
  4. Step 4: Simplify right side
    669,747.30x = 372,010,101,501.72
  5. Step 5: Solve for x
    x = 372,010,101,501.72/669,747.30
  6. Step 6: Final answer
    x = 555,448.45

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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.