Home / 669,435.72-1,004,151.39-242,970.97

Finding the Fourth Proportional to 669,435.72, 1,004,151.39 and 242,970.97

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Solution

The fourth proportional to 669,435.72, 1,004,151.39 and 242,970.97 is: 364,455.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,435.72 : 1,004,151.39 = 242,970.97 : x
  2. Step 2: Convert to fraction form
    669,435.72/1,004,151.39 = 242,970.97/x
  3. Step 3: Cross multiply
    669,435.72x = 1,004,151.39 × 242,970.97
  4. Step 4: Simplify right side
    669,435.72x = 243,979,639,952.68
  5. Step 5: Solve for x
    x = 243,979,639,952.68/669,435.72
  6. Step 6: Final answer
    x = 364,455.67

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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.