Home / 669,746.80-1,004,964.68-370,171.54

Finding the Fourth Proportional to 669,746.80, 1,004,964.68 and 370,171.54

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Solution

The fourth proportional to 669,746.80, 1,004,964.68 and 370,171.54 is: 555,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,746.80 : 1,004,964.68 = 370,171.54 : x
  2. Step 2: Convert to fraction form
    669,746.80/1,004,964.68 = 370,171.54/x
  3. Step 3: Cross multiply
    669,746.80x = 1,004,964.68 × 370,171.54
  4. Step 4: Simplify right side
    669,746.80x = 372,009,323,241.21
  5. Step 5: Solve for x
    x = 372,009,323,241.21/669,746.80
  6. Step 6: Final answer
    x = 555,447.71

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1.5x scale

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.