Home / 736,884.72-1,105,834.41-257,115.24

Finding the Fourth Proportional to 736,884.72, 1,105,834.41 and 257,115.24

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Solution

The fourth proportional to 736,884.72, 1,105,834.41 and 257,115.24 is: 385,849.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,884.72 : 1,105,834.41 = 257,115.24 : x
  2. Step 2: Convert to fraction form
    736,884.72/1,105,834.41 = 257,115.24/x
  3. Step 3: Cross multiply
    736,884.72x = 1,105,834.41 × 257,115.24
  4. Step 4: Simplify right side
    736,884.72x = 284,326,879,727.41
  5. Step 5: Solve for x
    x = 284,326,879,727.41/736,884.72
  6. Step 6: Final answer
    x = 385,849.88

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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.