Home / 738,252.80-1,107,055.20-338,760.80

Finding the Fourth Proportional to 738,252.80, 1,107,055.20 and 338,760.80

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Solution

The fourth proportional to 738,252.80, 1,107,055.20 and 338,760.80 is: 507,992.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,252.80 : 1,107,055.20 = 338,760.80 : x
  2. Step 2: Convert to fraction form
    738,252.80/1,107,055.20 = 338,760.80/x
  3. Step 3: Cross multiply
    738,252.80x = 1,107,055.20 × 338,760.80
  4. Step 4: Simplify right side
    738,252.80x = 375,026,905,196.16
  5. Step 5: Solve for x
    x = 375,026,905,196.16/738,252.80
  6. Step 6: Final answer
    x = 507,992.53

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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.