Home / 940,308.29-1,410,560.84-309,271.31

Finding the Fourth Proportional to 940,308.29, 1,410,560.84 and 309,271.31

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Solution

The fourth proportional to 940,308.29, 1,410,560.84 and 309,271.31 is: 463,939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,308.29 : 1,410,560.84 = 309,271.31 : x
  2. Step 2: Convert to fraction form
    940,308.29/1,410,560.84 = 309,271.31/x
  3. Step 3: Cross multiply
    940,308.29x = 1,410,560.84 × 309,271.31
  4. Step 4: Simplify right side
    940,308.29x = 436,245,992,541.87
  5. Step 5: Solve for x
    x = 436,245,992,541.87/940,308.29
  6. Step 6: Final answer
    x = 463,939.33

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Double scale
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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.