Home / 860,034.66-1,186,744.68-472,786.22

Finding the Fourth Proportional to 860,034.66, 1,186,744.68 and 472,786.22

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Solution

The fourth proportional to 860,034.66, 1,186,744.68 and 472,786.22 is: 652,388.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,034.66 : 1,186,744.68 = 472,786.22 : x
  2. Step 2: Convert to fraction form
    860,034.66/1,186,744.68 = 472,786.22/x
  3. Step 3: Cross multiply
    860,034.66x = 1,186,744.68 × 472,786.22
  4. Step 4: Simplify right side
    860,034.66x = 561,076,531,362.31
  5. Step 5: Solve for x
    x = 561,076,531,362.31/860,034.66
  6. Step 6: Final answer
    x = 652,388.28

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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.