Home / 939,135.06-1,408,406.94-307,901.25

Finding the Fourth Proportional to 939,135.06, 1,408,406.94 and 307,901.25

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Solution

The fourth proportional to 939,135.06, 1,408,406.94 and 307,901.25 is: 461,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,135.06 : 1,408,406.94 = 307,901.25 : x
  2. Step 2: Convert to fraction form
    939,135.06/1,408,406.94 = 307,901.25/x
  3. Step 3: Cross multiply
    939,135.06x = 1,408,406.94 × 307,901.25
  4. Step 4: Simplify right side
    939,135.06x = 433,650,257,334.68
  5. Step 5: Solve for x
    x = 433,650,257,334.68/939,135.06
  6. Step 6: Final answer
    x = 461,754.94

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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.