Home / 839,744.42-1,259,617.53-208,658.23

Finding the Fourth Proportional to 839,744.42, 1,259,617.53 and 208,658.23

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Solution

The fourth proportional to 839,744.42, 1,259,617.53 and 208,658.23 is: 312,987.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,744.42 : 1,259,617.53 = 208,658.23 : x
  2. Step 2: Convert to fraction form
    839,744.42/1,259,617.53 = 208,658.23/x
  3. Step 3: Cross multiply
    839,744.42x = 1,259,617.53 × 208,658.23
  4. Step 4: Simplify right side
    839,744.42x = 262,829,561,920.20
  5. Step 5: Solve for x
    x = 262,829,561,920.20/839,744.42
  6. Step 6: Final answer
    x = 312,987.57

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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.