Home / 939,035.42-1,408,664.91-299,114.50

Finding the Fourth Proportional to 939,035.42, 1,408,664.91 and 299,114.50

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Solution

The fourth proportional to 939,035.42, 1,408,664.91 and 299,114.50 is: 448,707.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,035.42 : 1,408,664.91 = 299,114.50 : x
  2. Step 2: Convert to fraction form
    939,035.42/1,408,664.91 = 299,114.50/x
  3. Step 3: Cross multiply
    939,035.42x = 1,408,664.91 × 299,114.50
  4. Step 4: Simplify right side
    939,035.42x = 421,352,100,222.20
  5. Step 5: Solve for x
    x = 421,352,100,222.20/939,035.42
  6. Step 6: Final answer
    x = 448,707.36

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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.