Home / 738,588.22-1,107,488.67-383,244.46

Finding the Fourth Proportional to 738,588.22, 1,107,488.67 and 383,244.46

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Solution

The fourth proportional to 738,588.22, 1,107,488.67 and 383,244.46 is: 574,662.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,588.22 : 1,107,488.67 = 383,244.46 : x
  2. Step 2: Convert to fraction form
    738,588.22/1,107,488.67 = 383,244.46/x
  3. Step 3: Cross multiply
    738,588.22x = 1,107,488.67 × 383,244.46
  4. Step 4: Simplify right side
    738,588.22x = 424,438,897,290.27
  5. Step 5: Solve for x
    x = 424,438,897,290.27/738,588.22
  6. Step 6: Final answer
    x = 574,662.42

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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.