Home / 849,824.36-1,274,099.76-512,785.28

Finding the Fourth Proportional to 849,824.36, 1,274,099.76 and 512,785.28

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Solution

The fourth proportional to 849,824.36, 1,274,099.76 and 512,785.28 is: 768,793.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,824.36 : 1,274,099.76 = 512,785.28 : x
  2. Step 2: Convert to fraction form
    849,824.36/1,274,099.76 = 512,785.28/x
  3. Step 3: Cross multiply
    849,824.36x = 1,274,099.76 × 512,785.28
  4. Step 4: Simplify right side
    849,824.36x = 653,339,602,179.53
  5. Step 5: Solve for x
    x = 653,339,602,179.53/849,824.36
  6. Step 6: Final answer
    x = 768,793.69

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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.