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Finding the Fourth Proportional to 554,883.20, 832,324.80 and 302,940.80

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Solution

The fourth proportional to 554,883.20, 832,324.80 and 302,940.80 is: 454,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,883.20 : 832,324.80 = 302,940.80 : x
  2. Step 2: Convert to fraction form
    554,883.20/832,324.80 = 302,940.80/x
  3. Step 3: Cross multiply
    554,883.20x = 832,324.80 × 302,940.80
  4. Step 4: Simplify right side
    554,883.20x = 252,145,140,771.84
  5. Step 5: Solve for x
    x = 252,145,140,771.84/554,883.20
  6. Step 6: Final answer
    x = 454,411.20

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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.