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Finding the Fourth Proportional to 538,902.80, 808,354.20 and 444,424.40

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Solution

The fourth proportional to 538,902.80, 808,354.20 and 444,424.40 is: 666,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,902.80 : 808,354.20 = 444,424.40 : x
  2. Step 2: Convert to fraction form
    538,902.80/808,354.20 = 444,424.40/x
  3. Step 3: Cross multiply
    538,902.80x = 808,354.20 × 444,424.40
  4. Step 4: Simplify right side
    538,902.80x = 359,252,330,322.48
  5. Step 5: Solve for x
    x = 359,252,330,322.48/538,902.80
  6. Step 6: Final answer
    x = 666,636.60

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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.