Home / 756,497.80-1,043,961.78-416,965.24

Finding the Fourth Proportional to 756,497.80, 1,043,961.78 and 416,965.24

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Solution

The fourth proportional to 756,497.80, 1,043,961.78 and 416,965.24 is: 575,409.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,497.80 : 1,043,961.78 = 416,965.24 : x
  2. Step 2: Convert to fraction form
    756,497.80/1,043,961.78 = 416,965.24/x
  3. Step 3: Cross multiply
    756,497.80x = 1,043,961.78 × 416,965.24
  4. Step 4: Simplify right side
    756,497.80x = 435,295,774,148.53
  5. Step 5: Solve for x
    x = 435,295,774,148.53/756,497.80
  6. Step 6: Final answer
    x = 575,409.17

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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.