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Finding the Fourth Proportional to 554,178.15, 831,578.65 and 301,476.33

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Solution

The fourth proportional to 554,178.15, 831,578.65 and 301,476.33 is: 452,383.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,178.15 : 831,578.65 = 301,476.33 : x
  2. Step 2: Convert to fraction form
    554,178.15/831,578.65 = 301,476.33/x
  3. Step 3: Cross multiply
    554,178.15x = 831,578.65 × 301,476.33
  4. Step 4: Simplify right side
    554,178.15x = 250,701,279,885.20
  5. Step 5: Solve for x
    x = 250,701,279,885.20/554,178.15
  6. Step 6: Final answer
    x = 452,383.91

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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.