Home / 849,644.38-1,172,509.57-467,668.42

Finding the Fourth Proportional to 849,644.38, 1,172,509.57 and 467,668.42

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Solution

The fourth proportional to 849,644.38, 1,172,509.57 and 467,668.42 is: 645,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,644.38 : 1,172,509.57 = 467,668.42 : x
  2. Step 2: Convert to fraction form
    849,644.38/1,172,509.57 = 467,668.42/x
  3. Step 3: Cross multiply
    849,644.38x = 1,172,509.57 × 467,668.42
  4. Step 4: Simplify right side
    849,644.38x = 548,345,695,698.44
  5. Step 5: Solve for x
    x = 548,345,695,698.44/849,644.38
  6. Step 6: Final answer
    x = 645,382.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.