Home / 464,749.83-641,316.36-328,863.42

Finding the Fourth Proportional to 464,749.83, 641,316.36 and 328,863.42

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Solution

The fourth proportional to 464,749.83, 641,316.36 and 328,863.42 is: 453,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,749.83 : 641,316.36 = 328,863.42 : x
  2. Step 2: Convert to fraction form
    464,749.83/641,316.36 = 328,863.42/x
  3. Step 3: Cross multiply
    464,749.83x = 641,316.36 × 328,863.42
  4. Step 4: Simplify right side
    464,749.83x = 210,905,491,451.55
  5. Step 5: Solve for x
    x = 210,905,491,451.55/464,749.83
  6. Step 6: Final answer
    x = 453,804.34

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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.