Home / 939,579.20-1,409,455.20-265,659.20

Finding the Fourth Proportional to 939,579.20, 1,409,455.20 and 265,659.20

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Solution

The fourth proportional to 939,579.20, 1,409,455.20 and 265,659.20 is: 398,513.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,579.20 : 1,409,455.20 = 265,659.20 : x
  2. Step 2: Convert to fraction form
    939,579.20/1,409,455.20 = 265,659.20/x
  3. Step 3: Cross multiply
    939,579.20x = 1,409,455.20 × 265,659.20
  4. Step 4: Simplify right side
    939,579.20x = 374,434,740,867.84
  5. Step 5: Solve for x
    x = 374,434,740,867.84/939,579.20
  6. Step 6: Final answer
    x = 398,513.23

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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.