Home / 816,075.25-1,126,112.21-453,476.14

Finding the Fourth Proportional to 816,075.25, 1,126,112.21 and 453,476.14

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Solution

The fourth proportional to 816,075.25, 1,126,112.21 and 453,476.14 is: 625,757.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,075.25 : 1,126,112.21 = 453,476.14 : x
  2. Step 2: Convert to fraction form
    816,075.25/1,126,112.21 = 453,476.14/x
  3. Step 3: Cross multiply
    816,075.25x = 1,126,112.21 × 453,476.14
  4. Step 4: Simplify right side
    816,075.25x = 510,665,014,815.54
  5. Step 5: Solve for x
    x = 510,665,014,815.54/816,075.25
  6. Step 6: Final answer
    x = 625,757.26

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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.