Home / 850,640.10-1,276,543.35-377,664.90

Finding the Fourth Proportional to 850,640.10, 1,276,543.35 and 377,664.90

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Solution

The fourth proportional to 850,640.10, 1,276,543.35 and 377,664.90 is: 566,756.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,640.10 : 1,276,543.35 = 377,664.90 : x
  2. Step 2: Convert to fraction form
    850,640.10/1,276,543.35 = 377,664.90/x
  3. Step 3: Cross multiply
    850,640.10x = 1,276,543.35 × 377,664.90
  4. Step 4: Simplify right side
    850,640.10x = 482,105,616,623.42
  5. Step 5: Solve for x
    x = 482,105,616,623.42/850,640.10
  6. Step 6: Final answer
    x = 566,756.28

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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.