Home / 813,370.12-1,219,562.70-364,007.32

Finding the Fourth Proportional to 813,370.12, 1,219,562.70 and 364,007.32

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Solution

The fourth proportional to 813,370.12, 1,219,562.70 and 364,007.32 is: 545,790.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,370.12 : 1,219,562.70 = 364,007.32 : x
  2. Step 2: Convert to fraction form
    813,370.12/1,219,562.70 = 364,007.32/x
  3. Step 3: Cross multiply
    813,370.12x = 1,219,562.70 × 364,007.32
  4. Step 4: Simplify right side
    813,370.12x = 443,929,749,998.96
  5. Step 5: Solve for x
    x = 443,929,749,998.96/813,370.12
  6. Step 6: Final answer
    x = 545,790.58

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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.