Home / 851,622.30-1,175,223.69-464,440.61

Finding the Fourth Proportional to 851,622.30, 1,175,223.69 and 464,440.61

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Solution

The fourth proportional to 851,622.30, 1,175,223.69 and 464,440.61 is: 640,919.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,622.30 : 1,175,223.69 = 464,440.61 : x
  2. Step 2: Convert to fraction form
    851,622.30/1,175,223.69 = 464,440.61/x
  3. Step 3: Cross multiply
    851,622.30x = 1,175,223.69 × 464,440.61
  4. Step 4: Simplify right side
    851,622.30x = 545,821,610,408.11
  5. Step 5: Solve for x
    x = 545,821,610,408.11/851,622.30
  6. Step 6: Final answer
    x = 640,919.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.