Home / 939,254.88-1,408,926.96-299,626.56

Finding the Fourth Proportional to 939,254.88, 1,408,926.96 and 299,626.56

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Solution

The fourth proportional to 939,254.88, 1,408,926.96 and 299,626.56 is: 449,454.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,254.88 : 1,408,926.96 = 299,626.56 : x
  2. Step 2: Convert to fraction form
    939,254.88/1,408,926.96 = 299,626.56/x
  3. Step 3: Cross multiply
    939,254.88x = 1,408,926.96 × 299,626.56
  4. Step 4: Simplify right side
    939,254.88x = 422,151,938,316.06
  5. Step 5: Solve for x
    x = 422,151,938,316.06/939,254.88
  6. Step 6: Final answer
    x = 449,454.08

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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.