Home / 380,511.36-567,417.60-353,917.44

Finding the Fourth Proportional to 380,511.36, 567,417.60 and 353,917.44

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Solution

The fourth proportional to 380,511.36, 567,417.60 and 353,917.44 is: 527,760.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,511.36 : 567,417.60 = 353,917.44 : x
  2. Step 2: Convert to fraction form
    380,511.36/567,417.60 = 353,917.44/x
  3. Step 3: Cross multiply
    380,511.36x = 567,417.60 × 353,917.44
  4. Step 4: Simplify right side
    380,511.36x = 200,818,984,402.94
  5. Step 5: Solve for x
    x = 200,818,984,402.94/380,511.36
  6. Step 6: Final answer
    x = 527,760.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.