Home / 939,316.20-1,407,819.59-433,174.53

Finding the Fourth Proportional to 939,316.20, 1,407,819.59 and 433,174.53

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Solution

The fourth proportional to 939,316.20, 1,407,819.59 and 433,174.53 is: 649,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,316.20 : 1,407,819.59 = 433,174.53 : x
  2. Step 2: Convert to fraction form
    939,316.20/1,407,819.59 = 433,174.53/x
  3. Step 3: Cross multiply
    939,316.20x = 1,407,819.59 × 433,174.53
  4. Step 4: Simplify right side
    939,316.20x = 609,831,593,960.90
  5. Step 5: Solve for x
    x = 609,831,593,960.90/939,316.20
  6. Step 6: Final answer
    x = 649,229.30

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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.