Home / 767,478.40-1,150,968.49-255,005.91

Finding the Fourth Proportional to 767,478.40, 1,150,968.49 and 255,005.91

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Solution

The fourth proportional to 767,478.40, 1,150,968.49 and 255,005.91 is: 382,426.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,478.40 : 1,150,968.49 = 255,005.91 : x
  2. Step 2: Convert to fraction form
    767,478.40/1,150,968.49 = 255,005.91/x
  3. Step 3: Cross multiply
    767,478.40x = 1,150,968.49 × 255,005.91
  4. Step 4: Simplify right side
    767,478.40x = 293,503,767,173.78
  5. Step 5: Solve for x
    x = 293,503,767,173.78/767,478.40
  6. Step 6: Final answer
    x = 382,426.09

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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.