Home / 756,075.20-1,134,112.80-504,132.80

Finding the Fourth Proportional to 756,075.20, 1,134,112.80 and 504,132.80

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Solution

The fourth proportional to 756,075.20, 1,134,112.80 and 504,132.80 is: 756,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,075.20 : 1,134,112.80 = 504,132.80 : x
  2. Step 2: Convert to fraction form
    756,075.20/1,134,112.80 = 504,132.80/x
  3. Step 3: Cross multiply
    756,075.20x = 1,134,112.80 × 504,132.80
  4. Step 4: Simplify right side
    756,075.20x = 571,743,461,379.84
  5. Step 5: Solve for x
    x = 571,743,461,379.84/756,075.20
  6. Step 6: Final answer
    x = 756,199.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.