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Finding the Fourth Proportional to 513,930.60, 770,780.70 and 337,674.60

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Solution

The fourth proportional to 513,930.60, 770,780.70 and 337,674.60 is: 506,436.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,930.60 : 770,780.70 = 337,674.60 : x
  2. Step 2: Convert to fraction form
    513,930.60/770,780.70 = 337,674.60/x
  3. Step 3: Cross multiply
    513,930.60x = 770,780.70 × 337,674.60
  4. Step 4: Simplify right side
    513,930.60x = 260,273,064,560.22
  5. Step 5: Solve for x
    x = 260,273,064,560.22/513,930.60
  6. Step 6: Final answer
    x = 506,436.21

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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.