Home / 657,635.32-907,532.94-355,822.84

Finding the Fourth Proportional to 657,635.32, 907,532.94 and 355,822.84

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Solution

The fourth proportional to 657,635.32, 907,532.94 and 355,822.84 is: 491,033.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,635.32 : 907,532.94 = 355,822.84 : x
  2. Step 2: Convert to fraction form
    657,635.32/907,532.94 = 355,822.84/x
  3. Step 3: Cross multiply
    657,635.32x = 907,532.94 × 355,822.84
  4. Step 4: Simplify right side
    657,635.32x = 322,920,948,104.35
  5. Step 5: Solve for x
    x = 322,920,948,104.35/657,635.32
  6. Step 6: Final answer
    x = 491,033.46

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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.