Home / 938,870.88-1,408,247.94-299,158.80

Finding the Fourth Proportional to 938,870.88, 1,408,247.94 and 299,158.80

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Solution

The fourth proportional to 938,870.88, 1,408,247.94 and 299,158.80 is: 448,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,870.88 : 1,408,247.94 = 299,158.80 : x
  2. Step 2: Convert to fraction form
    938,870.88/1,408,247.94 = 299,158.80/x
  3. Step 3: Cross multiply
    938,870.88x = 1,408,247.94 × 299,158.80
  4. Step 4: Simplify right side
    938,870.88x = 421,289,763,832.87
  5. Step 5: Solve for x
    x = 421,289,763,832.87/938,870.88
  6. Step 6: Final answer
    x = 448,719.60

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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.