Home / 997,136.34-1,495,706.94-398,146.20

Finding the Fourth Proportional to 997,136.34, 1,495,706.94 and 398,146.20

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Solution

The fourth proportional to 997,136.34, 1,495,706.94 and 398,146.20 is: 597,220.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,136.34 : 1,495,706.94 = 398,146.20 : x
  2. Step 2: Convert to fraction form
    997,136.34/1,495,706.94 = 398,146.20/x
  3. Step 3: Cross multiply
    997,136.34x = 1,495,706.94 × 398,146.20
  4. Step 4: Simplify right side
    997,136.34x = 595,510,028,865.73
  5. Step 5: Solve for x
    x = 595,510,028,865.73/997,136.34
  6. Step 6: Final answer
    x = 597,220.27

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Double scale
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Similar ratio
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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.