Home / 756,107.53-1,043,427.76-416,575.78

Finding the Fourth Proportional to 756,107.53, 1,043,427.76 and 416,575.78

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Solution

The fourth proportional to 756,107.53, 1,043,427.76 and 416,575.78 is: 574,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,107.53 : 1,043,427.76 = 416,575.78 : x
  2. Step 2: Convert to fraction form
    756,107.53/1,043,427.76 = 416,575.78/x
  3. Step 3: Cross multiply
    756,107.53x = 1,043,427.76 × 416,575.78
  4. Step 4: Simplify right side
    756,107.53x = 434,666,732,995.65
  5. Step 5: Solve for x
    x = 434,666,732,995.65/756,107.53
  6. Step 6: Final answer
    x = 574,874.23

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1.5x scale

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.