Home / 860,941.64-1,188,083.22-478,967.24

Finding the Fourth Proportional to 860,941.64, 1,188,083.22 and 478,967.24

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Solution

The fourth proportional to 860,941.64, 1,188,083.22 and 478,967.24 is: 660,965.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,941.64 : 1,188,083.22 = 478,967.24 : x
  2. Step 2: Convert to fraction form
    860,941.64/1,188,083.22 = 478,967.24/x
  3. Step 3: Cross multiply
    860,941.64x = 1,188,083.22 × 478,967.24
  4. Step 4: Simplify right side
    860,941.64x = 569,052,940,773.71
  5. Step 5: Solve for x
    x = 569,052,940,773.71/860,941.64
  6. Step 6: Final answer
    x = 660,965.75

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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.