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Finding the Fourth Proportional to 671,347.60, 926,793.57 and 442,052.80

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Solution

The fourth proportional to 671,347.60, 926,793.57 and 442,052.80 is: 610,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,347.60 : 926,793.57 = 442,052.80 : x
  2. Step 2: Convert to fraction form
    671,347.60/926,793.57 = 442,052.80/x
  3. Step 3: Cross multiply
    671,347.60x = 926,793.57 × 442,052.80
  4. Step 4: Simplify right side
    671,347.60x = 409,691,692,640.50
  5. Step 5: Solve for x
    x = 409,691,692,640.50/671,347.60
  6. Step 6: Final answer
    x = 610,252.71

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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.