Home / 849,144.29-1,273,674.92-316,623.78

Finding the Fourth Proportional to 849,144.29, 1,273,674.92 and 316,623.78

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Solution

The fourth proportional to 849,144.29, 1,273,674.92 and 316,623.78 is: 474,920.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,144.29 : 1,273,674.92 = 316,623.78 : x
  2. Step 2: Convert to fraction form
    849,144.29/1,273,674.92 = 316,623.78/x
  3. Step 3: Cross multiply
    849,144.29x = 1,273,674.92 × 316,623.78
  4. Step 4: Simplify right side
    849,144.29x = 403,275,766,078.48
  5. Step 5: Solve for x
    x = 403,275,766,078.48/849,144.29
  6. Step 6: Final answer
    x = 474,920.19

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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.