Home / 739,248.89-1,108,706.09-339,505.38

Finding the Fourth Proportional to 739,248.89, 1,108,706.09 and 339,505.38

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Solution

The fourth proportional to 739,248.89, 1,108,706.09 and 339,505.38 is: 509,181.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,248.89 : 1,108,706.09 = 339,505.38 : x
  2. Step 2: Convert to fraction form
    739,248.89/1,108,706.09 = 339,505.38/x
  3. Step 3: Cross multiply
    739,248.89x = 1,108,706.09 × 339,505.38
  4. Step 4: Simplify right side
    739,248.89x = 376,411,680,696.24
  5. Step 5: Solve for x
    x = 376,411,680,696.24/739,248.89
  6. Step 6: Final answer
    x = 509,181.26

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1.5x scale

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.