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Finding the Fourth Proportional to 504,161.60, 755,320.80 and 410,158.40

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Solution

The fourth proportional to 504,161.60, 755,320.80 and 410,158.40 is: 614,487.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,161.60 : 755,320.80 = 410,158.40 : x
  2. Step 2: Convert to fraction form
    504,161.60/755,320.80 = 410,158.40/x
  3. Step 3: Cross multiply
    504,161.60x = 755,320.80 × 410,158.40
  4. Step 4: Simplify right side
    504,161.60x = 309,801,170,814.72
  5. Step 5: Solve for x
    x = 309,801,170,814.72/504,161.60
  6. Step 6: Final answer
    x = 614,487.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.