Home / 449,533.40-674,300.10-307,815.80

Finding the Fourth Proportional to 449,533.40, 674,300.10 and 307,815.80

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Solution

The fourth proportional to 449,533.40, 674,300.10 and 307,815.80 is: 461,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,533.40 : 674,300.10 = 307,815.80 : x
  2. Step 2: Convert to fraction form
    449,533.40/674,300.10 = 307,815.80/x
  3. Step 3: Cross multiply
    449,533.40x = 674,300.10 × 307,815.80
  4. Step 4: Simplify right side
    449,533.40x = 207,560,224,721.58
  5. Step 5: Solve for x
    x = 207,560,224,721.58/449,533.40
  6. Step 6: Final answer
    x = 461,723.70

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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.