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Finding the Fourth Proportional to 633,909.04, 874,801.32 and 347,422.96

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Solution

The fourth proportional to 633,909.04, 874,801.32 and 347,422.96 is: 479,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,909.04 : 874,801.32 = 347,422.96 : x
  2. Step 2: Convert to fraction form
    633,909.04/874,801.32 = 347,422.96/x
  3. Step 3: Cross multiply
    633,909.04x = 874,801.32 × 347,422.96
  4. Step 4: Simplify right side
    633,909.04x = 303,926,064,006.31
  5. Step 5: Solve for x
    x = 303,926,064,006.31/633,909.04
  6. Step 6: Final answer
    x = 479,447.44

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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.