Home / 383,361.30-575,733.15-370,919.70

Finding the Fourth Proportional to 383,361.30, 575,733.15 and 370,919.70

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Solution

The fourth proportional to 383,361.30, 575,733.15 and 370,919.70 is: 557,048.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,361.30 : 575,733.15 = 370,919.70 : x
  2. Step 2: Convert to fraction form
    383,361.30/575,733.15 = 370,919.70/x
  3. Step 3: Cross multiply
    383,361.30x = 575,733.15 × 370,919.70
  4. Step 4: Simplify right side
    383,361.30x = 213,550,767,278.06
  5. Step 5: Solve for x
    x = 213,550,767,278.06/383,361.30
  6. Step 6: Final answer
    x = 557,048.32

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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.