Home / 437,445.42-656,453.25-330,603.18

Finding the Fourth Proportional to 437,445.42, 656,453.25 and 330,603.18

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Solution

The fourth proportional to 437,445.42, 656,453.25 and 330,603.18 is: 496,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,445.42 : 656,453.25 = 330,603.18 : x
  2. Step 2: Convert to fraction form
    437,445.42/656,453.25 = 330,603.18/x
  3. Step 3: Cross multiply
    437,445.42x = 656,453.25 × 330,603.18
  4. Step 4: Simplify right side
    437,445.42x = 217,025,531,971.34
  5. Step 5: Solve for x
    x = 217,025,531,971.34/437,445.42
  6. Step 6: Final answer
    x = 496,120.25

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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.