Home / 916,650-1,375,012.26-436,631.04

Finding the Fourth Proportional to 916,650, 1,375,012.26 and 436,631.04

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Solution

The fourth proportional to 916,650, 1,375,012.26 and 436,631.04 is: 654,964.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,650 : 1,375,012.26 = 436,631.04 : x
  2. Step 2: Convert to fraction form
    916,650/1,375,012.26 = 436,631.04/x
  3. Step 3: Cross multiply
    916,650x = 1,375,012.26 × 436,631.04
  4. Step 4: Simplify right side
    916,650x = 600,373,033,096.55
  5. Step 5: Solve for x
    x = 600,373,033,096.55/916,650
  6. Step 6: Final answer
    x = 654,964.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.