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Finding the Fourth Proportional to 513,685.98, 770,200.92 and 246,915.72

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Solution

The fourth proportional to 513,685.98, 770,200.92 and 246,915.72 is: 370,215.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,685.98 : 770,200.92 = 246,915.72 : x
  2. Step 2: Convert to fraction form
    513,685.98/770,200.92 = 246,915.72/x
  3. Step 3: Cross multiply
    513,685.98x = 770,200.92 × 246,915.72
  4. Step 4: Simplify right side
    513,685.98x = 190,174,714,706.46
  5. Step 5: Solve for x
    x = 190,174,714,706.46/513,685.98
  6. Step 6: Final answer
    x = 370,215.89

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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.