Home / 849,139.26-1,273,334.94-449,686.68

Finding the Fourth Proportional to 849,139.26, 1,273,334.94 and 449,686.68

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Solution

The fourth proportional to 849,139.26, 1,273,334.94 and 449,686.68 is: 674,331.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,139.26 : 1,273,334.94 = 449,686.68 : x
  2. Step 2: Convert to fraction form
    849,139.26/1,273,334.94 = 449,686.68/x
  3. Step 3: Cross multiply
    849,139.26x = 1,273,334.94 × 449,686.68
  4. Step 4: Simplify right side
    849,139.26x = 572,601,761,696.60
  5. Step 5: Solve for x
    x = 572,601,761,696.60/849,139.26
  6. Step 6: Final answer
    x = 674,331.98

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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.