Home / 646,013.70-968,307.01-266,725.33

Finding the Fourth Proportional to 646,013.70, 968,307.01 and 266,725.33

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Solution

The fourth proportional to 646,013.70, 968,307.01 and 266,725.33 is: 399,793.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,013.70 : 968,307.01 = 266,725.33 : x
  2. Step 2: Convert to fraction form
    646,013.70/968,307.01 = 266,725.33/x
  3. Step 3: Cross multiply
    646,013.70x = 968,307.01 × 266,725.33
  4. Step 4: Simplify right side
    646,013.70x = 258,272,003,695.98
  5. Step 5: Solve for x
    x = 258,272,003,695.98/646,013.70
  6. Step 6: Final answer
    x = 399,793.38

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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.