Home / 757,941.75-1,045,961.64-418,410

Finding the Fourth Proportional to 757,941.75, 1,045,961.64 and 418,410

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Solution

The fourth proportional to 757,941.75, 1,045,961.64 and 418,410 is: 577,406.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,941.75 : 1,045,961.64 = 418,410 : x
  2. Step 2: Convert to fraction form
    757,941.75/1,045,961.64 = 418,410/x
  3. Step 3: Cross multiply
    757,941.75x = 1,045,961.64 × 418,410
  4. Step 4: Simplify right side
    757,941.75x = 437,640,809,792.40
  5. Step 5: Solve for x
    x = 437,640,809,792.40/757,941.75
  6. Step 6: Final answer
    x = 577,406.92

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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.