Home / 668,993.56-1,003,913.39-349,721.64

Finding the Fourth Proportional to 668,993.56, 1,003,913.39 and 349,721.64

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Solution

The fourth proportional to 668,993.56, 1,003,913.39 and 349,721.64 is: 524,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,993.56 : 1,003,913.39 = 349,721.64 : x
  2. Step 2: Convert to fraction form
    668,993.56/1,003,913.39 = 349,721.64/x
  3. Step 3: Cross multiply
    668,993.56x = 1,003,913.39 × 349,721.64
  4. Step 4: Simplify right side
    668,993.56x = 351,090,237,168.76
  5. Step 5: Solve for x
    x = 351,090,237,168.76/668,993.56
  6. Step 6: Final answer
    x = 524,803.61

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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.