Home / 767,709.90-1,152,512.55-483,399.90

Finding the Fourth Proportional to 767,709.90, 1,152,512.55 and 483,399.90

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Solution

The fourth proportional to 767,709.90, 1,152,512.55 and 483,399.90 is: 725,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,709.90 : 1,152,512.55 = 483,399.90 : x
  2. Step 2: Convert to fraction form
    767,709.90/1,152,512.55 = 483,399.90/x
  3. Step 3: Cross multiply
    767,709.90x = 1,152,512.55 × 483,399.90
  4. Step 4: Simplify right side
    767,709.90x = 557,124,451,418.75
  5. Step 5: Solve for x
    x = 557,124,451,418.75/767,709.90
  6. Step 6: Final answer
    x = 725,696.58

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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.