Home / 940,309.79-1,410,563.10-309,272.81

Finding the Fourth Proportional to 940,309.79, 1,410,563.10 and 309,272.81

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Solution

The fourth proportional to 940,309.79, 1,410,563.10 and 309,272.81 is: 463,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,309.79 : 1,410,563.10 = 309,272.81 : x
  2. Step 2: Convert to fraction form
    940,309.79/1,410,563.10 = 309,272.81/x
  3. Step 3: Cross multiply
    940,309.79x = 1,410,563.10 × 309,272.81
  4. Step 4: Simplify right side
    940,309.79x = 436,248,813,619.31
  5. Step 5: Solve for x
    x = 436,248,813,619.31/940,309.79
  6. Step 6: Final answer
    x = 463,941.58

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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.