Home / 451,430.74-622,981.56-270,150.40

Finding the Fourth Proportional to 451,430.74, 622,981.56 and 270,150.40

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Solution

The fourth proportional to 451,430.74, 622,981.56 and 270,150.40 is: 372,811.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,430.74 : 622,981.56 = 270,150.40 : x
  2. Step 2: Convert to fraction form
    451,430.74/622,981.56 = 270,150.40/x
  3. Step 3: Cross multiply
    451,430.74x = 622,981.56 × 270,150.40
  4. Step 4: Simplify right side
    451,430.74x = 168,298,717,626.62
  5. Step 5: Solve for x
    x = 168,298,717,626.62/451,430.74
  6. Step 6: Final answer
    x = 372,811.82

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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.