Home / 766,073.63-1,149,329.69-260,745.95

Finding the Fourth Proportional to 766,073.63, 1,149,329.69 and 260,745.95

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Solution

The fourth proportional to 766,073.63, 1,149,329.69 and 260,745.95 is: 391,193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,073.63 : 1,149,329.69 = 260,745.95 : x
  2. Step 2: Convert to fraction form
    766,073.63/1,149,329.69 = 260,745.95/x
  3. Step 3: Cross multiply
    766,073.63x = 1,149,329.69 × 260,745.95
  4. Step 4: Simplify right side
    766,073.63x = 299,683,054,831.88
  5. Step 5: Solve for x
    x = 299,683,054,831.88/766,073.63
  6. Step 6: Final answer
    x = 391,193.54

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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.