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Finding the Fourth Proportional to 670,745.98, 925,602.64 and 364,822.58

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Solution

The fourth proportional to 670,745.98, 925,602.64 and 364,822.58 is: 503,440.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,745.98 : 925,602.64 = 364,822.58 : x
  2. Step 2: Convert to fraction form
    670,745.98/925,602.64 = 364,822.58/x
  3. Step 3: Cross multiply
    670,745.98x = 925,602.64 × 364,822.58
  4. Step 4: Simplify right side
    670,745.98x = 337,680,743,179.61
  5. Step 5: Solve for x
    x = 337,680,743,179.61/670,745.98
  6. Step 6: Final answer
    x = 503,440.58

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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.