Home / 400,904.08-552,804.27-255,479.49

Finding the Fourth Proportional to 400,904.08, 552,804.27 and 255,479.49

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Solution

The fourth proportional to 400,904.08, 552,804.27 and 255,479.49 is: 352,279.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,904.08 : 552,804.27 = 255,479.49 : x
  2. Step 2: Convert to fraction form
    400,904.08/552,804.27 = 255,479.49/x
  3. Step 3: Cross multiply
    400,904.08x = 552,804.27 × 255,479.49
  4. Step 4: Simplify right side
    400,904.08x = 141,230,152,969.42
  5. Step 5: Solve for x
    x = 141,230,152,969.42/400,904.08
  6. Step 6: Final answer
    x = 352,279.17

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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.