Home / 456,368.46-629,595.63-305,514.06

Finding the Fourth Proportional to 456,368.46, 629,595.63 and 305,514.06

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Solution

The fourth proportional to 456,368.46, 629,595.63 and 305,514.06 is: 421,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,368.46 : 629,595.63 = 305,514.06 : x
  2. Step 2: Convert to fraction form
    456,368.46/629,595.63 = 305,514.06/x
  3. Step 3: Cross multiply
    456,368.46x = 629,595.63 × 305,514.06
  4. Step 4: Simplify right side
    456,368.46x = 192,350,317,079.56
  5. Step 5: Solve for x
    x = 192,350,317,079.56/456,368.46
  6. Step 6: Final answer
    x = 421,480.30

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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.