Home / 451,751.40-623,436.48-270,428.25

Finding the Fourth Proportional to 451,751.40, 623,436.48 and 270,428.25

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Solution

The fourth proportional to 451,751.40, 623,436.48 and 270,428.25 is: 373,202.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,751.40 : 623,436.48 = 270,428.25 : x
  2. Step 2: Convert to fraction form
    451,751.40/623,436.48 = 270,428.25/x
  3. Step 3: Cross multiply
    451,751.40x = 623,436.48 × 270,428.25
  4. Step 4: Simplify right side
    451,751.40x = 168,594,836,272.56
  5. Step 5: Solve for x
    x = 168,594,836,272.56/451,751.40
  6. Step 6: Final answer
    x = 373,202.69

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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.