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Finding the Fourth Proportional to 670,520.96, 925,320.84 and 364,597.46

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Solution

The fourth proportional to 670,520.96, 925,320.84 and 364,597.46 is: 503,145.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,520.96 : 925,320.84 = 364,597.46 : x
  2. Step 2: Convert to fraction form
    670,520.96/925,320.84 = 364,597.46/x
  3. Step 3: Cross multiply
    670,520.96x = 925,320.84 × 364,597.46
  4. Step 4: Simplify right side
    670,520.96x = 337,369,627,949.07
  5. Step 5: Solve for x
    x = 337,369,627,949.07/670,520.96
  6. Step 6: Final answer
    x = 503,145.54

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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.