Home / 756,352.20-1,134,528.30-401,183.40

Finding the Fourth Proportional to 756,352.20, 1,134,528.30 and 401,183.40

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Solution

The fourth proportional to 756,352.20, 1,134,528.30 and 401,183.40 is: 601,775.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,352.20 : 1,134,528.30 = 401,183.40 : x
  2. Step 2: Convert to fraction form
    756,352.20/1,134,528.30 = 401,183.40/x
  3. Step 3: Cross multiply
    756,352.20x = 1,134,528.30 × 401,183.40
  4. Step 4: Simplify right side
    756,352.20x = 455,153,920,790.22
  5. Step 5: Solve for x
    x = 455,153,920,790.22/756,352.20
  6. Step 6: Final answer
    x = 601,775.10

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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.