Home / 939,257.76-1,408,945.24-265,390.80

Finding the Fourth Proportional to 939,257.76, 1,408,945.24 and 265,390.80

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Solution

The fourth proportional to 939,257.76, 1,408,945.24 and 265,390.80 is: 398,102.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,257.76 : 1,408,945.24 = 265,390.80 : x
  2. Step 2: Convert to fraction form
    939,257.76/1,408,945.24 = 265,390.80/x
  3. Step 3: Cross multiply
    939,257.76x = 1,408,945.24 × 265,390.80
  4. Step 4: Simplify right side
    939,257.76x = 373,921,104,399.79
  5. Step 5: Solve for x
    x = 373,921,104,399.79/939,257.76
  6. Step 6: Final answer
    x = 398,102.76

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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.