Home / 954,486.75-1,431,738.78-289,638.75

Finding the Fourth Proportional to 954,486.75, 1,431,738.78 and 289,638.75

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Solution

The fourth proportional to 954,486.75, 1,431,738.78 and 289,638.75 is: 434,460.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,486.75 : 1,431,738.78 = 289,638.75 : x
  2. Step 2: Convert to fraction form
    954,486.75/1,431,738.78 = 289,638.75/x
  3. Step 3: Cross multiply
    954,486.75x = 1,431,738.78 × 289,638.75
  4. Step 4: Simplify right side
    954,486.75x = 414,687,030,565.73
  5. Step 5: Solve for x
    x = 414,687,030,565.73/954,486.75
  6. Step 6: Final answer
    x = 434,460.75

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1.5x scale

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.