Home / 641,785.26-885,629.93-351,341.18

Finding the Fourth Proportional to 641,785.26, 885,629.93 and 351,341.18

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Solution

The fourth proportional to 641,785.26, 885,629.93 and 351,341.18 is: 484,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,785.26 : 885,629.93 = 351,341.18 : x
  2. Step 2: Convert to fraction form
    641,785.26/885,629.93 = 351,341.18/x
  3. Step 3: Cross multiply
    641,785.26x = 885,629.93 × 351,341.18
  4. Step 4: Simplify right side
    641,785.26x = 311,158,264,649.52
  5. Step 5: Solve for x
    x = 311,158,264,649.52/641,785.26
  6. Step 6: Final answer
    x = 484,832.36

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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.