Home / 850,792.05-1,274,985.23-471,879.72

Finding the Fourth Proportional to 850,792.05, 1,274,985.23 and 471,879.72

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Solution

The fourth proportional to 850,792.05, 1,274,985.23 and 471,879.72 is: 707,152.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,792.05 : 1,274,985.23 = 471,879.72 : x
  2. Step 2: Convert to fraction form
    850,792.05/1,274,985.23 = 471,879.72/x
  3. Step 3: Cross multiply
    850,792.05x = 1,274,985.23 × 471,879.72
  4. Step 4: Simplify right side
    850,792.05x = 601,639,670,977.14
  5. Step 5: Solve for x
    x = 601,639,670,977.14/850,792.05
  6. Step 6: Final answer
    x = 707,152.44

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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.