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Finding the Fourth Proportional to 416,844.86, 575,256.60 and 255,788.91

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Solution

The fourth proportional to 416,844.86, 575,256.60 and 255,788.91 is: 352,995.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,844.86 : 575,256.60 = 255,788.91 : x
  2. Step 2: Convert to fraction form
    416,844.86/575,256.60 = 255,788.91/x
  3. Step 3: Cross multiply
    416,844.86x = 575,256.60 × 255,788.91
  4. Step 4: Simplify right side
    416,844.86x = 147,144,258,684.31
  5. Step 5: Solve for x
    x = 147,144,258,684.31/416,844.86
  6. Step 6: Final answer
    x = 352,995.26

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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.