Home / 738,264.30-1,107,072.45-338,772.30

Finding the Fourth Proportional to 738,264.30, 1,107,072.45 and 338,772.30

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Solution

The fourth proportional to 738,264.30, 1,107,072.45 and 338,772.30 is: 508,009.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,264.30 : 1,107,072.45 = 338,772.30 : x
  2. Step 2: Convert to fraction form
    738,264.30/1,107,072.45 = 338,772.30/x
  3. Step 3: Cross multiply
    738,264.30x = 1,107,072.45 × 338,772.30
  4. Step 4: Simplify right side
    738,264.30x = 375,045,480,153.14
  5. Step 5: Solve for x
    x = 375,045,480,153.14/738,264.30
  6. Step 6: Final answer
    x = 508,009.77

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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.