Home / 738,859.65-1,108,289.48-339,836.04

Finding the Fourth Proportional to 738,859.65, 1,108,289.48 and 339,836.04

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Solution

The fourth proportional to 738,859.65, 1,108,289.48 and 339,836.04 is: 509,754.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,859.65 : 1,108,289.48 = 339,836.04 : x
  2. Step 2: Convert to fraction form
    738,859.65/1,108,289.48 = 339,836.04/x
  3. Step 3: Cross multiply
    738,859.65x = 1,108,289.48 × 339,836.04
  4. Step 4: Simplify right side
    738,859.65x = 376,636,706,357.68
  5. Step 5: Solve for x
    x = 376,636,706,357.68/738,859.65
  6. Step 6: Final answer
    x = 509,754.06

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Double scale
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Similar ratio
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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.