Home / 628,028.86-943,946.52-415,521.58

Finding the Fourth Proportional to 628,028.86, 943,946.52 and 415,521.58

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Solution

The fourth proportional to 628,028.86, 943,946.52 and 415,521.58 is: 624,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,028.86 : 943,946.52 = 415,521.58 : x
  2. Step 2: Convert to fraction form
    628,028.86/943,946.52 = 415,521.58/x
  3. Step 3: Cross multiply
    628,028.86x = 943,946.52 × 415,521.58
  4. Step 4: Simplify right side
    628,028.86x = 392,230,149,425.90
  5. Step 5: Solve for x
    x = 392,230,149,425.90/628,028.86
  6. Step 6: Final answer
    x = 624,541.60

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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.