Home / 432,916.68-649,375.02-262,172.81

Finding the Fourth Proportional to 432,916.68, 649,375.02 and 262,172.81

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Solution

The fourth proportional to 432,916.68, 649,375.02 and 262,172.81 is: 393,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,916.68 : 649,375.02 = 262,172.81 : x
  2. Step 2: Convert to fraction form
    432,916.68/649,375.02 = 262,172.81/x
  3. Step 3: Cross multiply
    432,916.68x = 649,375.02 × 262,172.81
  4. Step 4: Simplify right side
    432,916.68x = 170,248,470,490.33
  5. Step 5: Solve for x
    x = 170,248,470,490.33/432,916.68
  6. Step 6: Final answer
    x = 393,259.21

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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.