Home / 681,931.62-1,023,527.61-345,208.59

Finding the Fourth Proportional to 681,931.62, 1,023,527.61 and 345,208.59

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Solution

The fourth proportional to 681,931.62, 1,023,527.61 and 345,208.59 is: 518,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,931.62 : 1,023,527.61 = 345,208.59 : x
  2. Step 2: Convert to fraction form
    681,931.62/1,023,527.61 = 345,208.59/x
  3. Step 3: Cross multiply
    681,931.62x = 1,023,527.61 × 345,208.59
  4. Step 4: Simplify right side
    681,931.62x = 353,330,523,074.17
  5. Step 5: Solve for x
    x = 353,330,523,074.17/681,931.62
  6. Step 6: Final answer
    x = 518,131.90

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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.