Home / 454,628.20-681,942.30-370,647.40

Finding the Fourth Proportional to 454,628.20, 681,942.30 and 370,647.40

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Solution

The fourth proportional to 454,628.20, 681,942.30 and 370,647.40 is: 555,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,628.20 : 681,942.30 = 370,647.40 : x
  2. Step 2: Convert to fraction form
    454,628.20/681,942.30 = 370,647.40/x
  3. Step 3: Cross multiply
    454,628.20x = 681,942.30 × 370,647.40
  4. Step 4: Simplify right side
    454,628.20x = 252,760,140,445.02
  5. Step 5: Solve for x
    x = 252,760,140,445.02/454,628.20
  6. Step 6: Final answer
    x = 555,971.10

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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.