Home / 664,055.19-916,375.98-373,682.94

Finding the Fourth Proportional to 664,055.19, 916,375.98 and 373,682.94

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Solution

The fourth proportional to 664,055.19, 916,375.98 and 373,682.94 is: 515,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,055.19 : 916,375.98 = 373,682.94 : x
  2. Step 2: Convert to fraction form
    664,055.19/916,375.98 = 373,682.94/x
  3. Step 3: Cross multiply
    664,055.19x = 916,375.98 × 373,682.94
  4. Step 4: Simplify right side
    664,055.19x = 342,434,070,351.78
  5. Step 5: Solve for x
    x = 342,434,070,351.78/664,055.19
  6. Step 6: Final answer
    x = 515,671.10

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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.