Home / 738,858.16-1,108,287.23-339,834.54

Finding the Fourth Proportional to 738,858.16, 1,108,287.23 and 339,834.54

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Solution

The fourth proportional to 738,858.16, 1,108,287.23 and 339,834.54 is: 509,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,858.16 : 1,108,287.23 = 339,834.54 : x
  2. Step 2: Convert to fraction form
    738,858.16/1,108,287.23 = 339,834.54/x
  3. Step 3: Cross multiply
    738,858.16x = 1,108,287.23 × 339,834.54
  4. Step 4: Simplify right side
    738,858.16x = 376,634,277,217.71
  5. Step 5: Solve for x
    x = 376,634,277,217.71/738,858.16
  6. Step 6: Final answer
    x = 509,751.80

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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.