Home / 733,865.18-1,012,636.07-407,172.94

Finding the Fourth Proportional to 733,865.18, 1,012,636.07 and 407,172.94

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Solution

The fourth proportional to 733,865.18, 1,012,636.07 and 407,172.94 is: 561,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,865.18 : 1,012,636.07 = 407,172.94 : x
  2. Step 2: Convert to fraction form
    733,865.18/1,012,636.07 = 407,172.94/x
  3. Step 3: Cross multiply
    733,865.18x = 1,012,636.07 × 407,172.94
  4. Step 4: Simplify right side
    733,865.18x = 412,317,998,672.90
  5. Step 5: Solve for x
    x = 412,317,998,672.90/733,865.18
  6. Step 6: Final answer
    x = 561,844.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.