Home / 653,629.28-901,868.48-381,573.70

Finding the Fourth Proportional to 653,629.28, 901,868.48 and 381,573.70

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Solution

The fourth proportional to 653,629.28, 901,868.48 and 381,573.70 is: 526,490.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,629.28 : 901,868.48 = 381,573.70 : x
  2. Step 2: Convert to fraction form
    653,629.28/901,868.48 = 381,573.70/x
  3. Step 3: Cross multiply
    653,629.28x = 901,868.48 × 381,573.70
  4. Step 4: Simplify right side
    653,629.28x = 344,129,292,826.98
  5. Step 5: Solve for x
    x = 344,129,292,826.98/653,629.28
  6. Step 6: Final answer
    x = 526,490.02

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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.