Home / 850,656.87-1,174,076.24-488,325.51

Finding the Fourth Proportional to 850,656.87, 1,174,076.24 and 488,325.51

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Solution

The fourth proportional to 850,656.87, 1,174,076.24 and 488,325.51 is: 673,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,656.87 : 1,174,076.24 = 488,325.51 : x
  2. Step 2: Convert to fraction form
    850,656.87/1,174,076.24 = 488,325.51/x
  3. Step 3: Cross multiply
    850,656.87x = 1,174,076.24 × 488,325.51
  4. Step 4: Simplify right side
    850,656.87x = 573,331,376,235.26
  5. Step 5: Solve for x
    x = 573,331,376,235.26/850,656.87
  6. Step 6: Final answer
    x = 673,986.65

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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.