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Finding the Fourth Proportional to 491,136.40, 736,272.60 and 332,851.60

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Solution

The fourth proportional to 491,136.40, 736,272.60 and 332,851.60 is: 498,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,136.40 : 736,272.60 = 332,851.60 : x
  2. Step 2: Convert to fraction form
    491,136.40/736,272.60 = 332,851.60/x
  3. Step 3: Cross multiply
    491,136.40x = 736,272.60 × 332,851.60
  4. Step 4: Simplify right side
    491,136.40x = 245,069,512,946.16
  5. Step 5: Solve for x
    x = 245,069,512,946.16/491,136.40
  6. Step 6: Final answer
    x = 498,984.63

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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.