Home / 598,733.46-825,965.64-405,208.80

Finding the Fourth Proportional to 598,733.46, 825,965.64 and 405,208.80

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Solution

The fourth proportional to 598,733.46, 825,965.64 and 405,208.80 is: 558,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,733.46 : 825,965.64 = 405,208.80 : x
  2. Step 2: Convert to fraction form
    598,733.46/825,965.64 = 405,208.80/x
  3. Step 3: Cross multiply
    598,733.46x = 825,965.64 × 405,208.80
  4. Step 4: Simplify right side
    598,733.46x = 334,688,545,825.63
  5. Step 5: Solve for x
    x = 334,688,545,825.63/598,733.46
  6. Step 6: Final answer
    x = 558,994.22

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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.