Home / 443,746.76-612,302.10-252,735.80

Finding the Fourth Proportional to 443,746.76, 612,302.10 and 252,735.80

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Solution

The fourth proportional to 443,746.76, 612,302.10 and 252,735.80 is: 348,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,746.76 : 612,302.10 = 252,735.80 : x
  2. Step 2: Convert to fraction form
    443,746.76/612,302.10 = 252,735.80/x
  3. Step 3: Cross multiply
    443,746.76x = 612,302.10 × 252,735.80
  4. Step 4: Simplify right side
    443,746.76x = 154,750,661,085.18
  5. Step 5: Solve for x
    x = 154,750,661,085.18/443,746.76
  6. Step 6: Final answer
    x = 348,736.43

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.