Home / 400,580.24-552,211.80-304,920.32

Finding the Fourth Proportional to 400,580.24, 552,211.80 and 304,920.32

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Solution

The fourth proportional to 400,580.24, 552,211.80 and 304,920.32 is: 420,341.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,580.24 : 552,211.80 = 304,920.32 : x
  2. Step 2: Convert to fraction form
    400,580.24/552,211.80 = 304,920.32/x
  3. Step 3: Cross multiply
    400,580.24x = 552,211.80 × 304,920.32
  4. Step 4: Simplify right side
    400,580.24x = 168,380,598,763.78
  5. Step 5: Solve for x
    x = 168,380,598,763.78/400,580.24
  6. Step 6: Final answer
    x = 420,341.75

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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.