Home / 839,829.78-1,259,486.28-240,630.39

Finding the Fourth Proportional to 839,829.78, 1,259,486.28 and 240,630.39

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Solution

The fourth proportional to 839,829.78, 1,259,486.28 and 240,630.39 is: 360,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,829.78 : 1,259,486.28 = 240,630.39 : x
  2. Step 2: Convert to fraction form
    839,829.78/1,259,486.28 = 240,630.39/x
  3. Step 3: Cross multiply
    839,829.78x = 1,259,486.28 × 240,630.39
  4. Step 4: Simplify right side
    839,829.78x = 303,070,674,756.05
  5. Step 5: Solve for x
    x = 303,070,674,756.05/839,829.78
  6. Step 6: Final answer
    x = 360,871.55

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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.