Home / 669,513.44-1,004,440.14-309,943.52

Finding the Fourth Proportional to 669,513.44, 1,004,440.14 and 309,943.52

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Solution

The fourth proportional to 669,513.44, 1,004,440.14 and 309,943.52 is: 464,993.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,513.44 : 1,004,440.14 = 309,943.52 : x
  2. Step 2: Convert to fraction form
    669,513.44/1,004,440.14 = 309,943.52/x
  3. Step 3: Cross multiply
    669,513.44x = 1,004,440.14 × 309,943.52
  4. Step 4: Simplify right side
    669,513.44x = 311,319,712,620.89
  5. Step 5: Solve for x
    x = 311,319,712,620.89/669,513.44
  6. Step 6: Final answer
    x = 464,993.97

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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.