Home / 634,476.16-875,650.26-379,827.28

Finding the Fourth Proportional to 634,476.16, 875,650.26 and 379,827.28

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Solution

The fourth proportional to 634,476.16, 875,650.26 and 379,827.28 is: 524,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,476.16 : 875,650.26 = 379,827.28 : x
  2. Step 2: Convert to fraction form
    634,476.16/875,650.26 = 379,827.28/x
  3. Step 3: Cross multiply
    634,476.16x = 875,650.26 × 379,827.28
  4. Step 4: Simplify right side
    634,476.16x = 332,595,856,487.09
  5. Step 5: Solve for x
    x = 332,595,856,487.09/634,476.16
  6. Step 6: Final answer
    x = 524,205.44

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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.