Home / 449,946.90-674,920.35-379,088.10

Finding the Fourth Proportional to 449,946.90, 674,920.35 and 379,088.10

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Solution

The fourth proportional to 449,946.90, 674,920.35 and 379,088.10 is: 568,632.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,946.90 : 674,920.35 = 379,088.10 : x
  2. Step 2: Convert to fraction form
    449,946.90/674,920.35 = 379,088.10/x
  3. Step 3: Cross multiply
    449,946.90x = 674,920.35 × 379,088.10
  4. Step 4: Simplify right side
    449,946.90x = 255,854,273,132.84
  5. Step 5: Solve for x
    x = 255,854,273,132.84/449,946.90
  6. Step 6: Final answer
    x = 568,632.15

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Similar ratio
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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.