Home / 915,182.88-1,372,344.03-338,407.65

Finding the Fourth Proportional to 915,182.88, 1,372,344.03 and 338,407.65

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Solution

The fourth proportional to 915,182.88, 1,372,344.03 and 338,407.65 is: 507,452.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,182.88 : 1,372,344.03 = 338,407.65 : x
  2. Step 2: Convert to fraction form
    915,182.88/1,372,344.03 = 338,407.65/x
  3. Step 3: Cross multiply
    915,182.88x = 1,372,344.03 × 338,407.65
  4. Step 4: Simplify right side
    915,182.88x = 464,411,718,183.83
  5. Step 5: Solve for x
    x = 464,411,718,183.83/915,182.88
  6. Step 6: Final answer
    x = 507,452.37

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Double scale
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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.