Home / 839,441.24-1,259,533.64-439,987.04

Finding the Fourth Proportional to 839,441.24, 1,259,533.64 and 439,987.04

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Solution

The fourth proportional to 839,441.24, 1,259,533.64 and 439,987.04 is: 660,175.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,441.24 : 1,259,533.64 = 439,987.04 : x
  2. Step 2: Convert to fraction form
    839,441.24/1,259,533.64 = 439,987.04/x
  3. Step 3: Cross multiply
    839,441.24x = 1,259,533.64 × 439,987.04
  4. Step 4: Simplify right side
    839,441.24x = 554,178,478,044.03
  5. Step 5: Solve for x
    x = 554,178,478,044.03/839,441.24
  6. Step 6: Final answer
    x = 660,175.43

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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.