Home / 816,745.22-1,224,318.14-457,091.71

Finding the Fourth Proportional to 816,745.22, 1,224,318.14 and 457,091.71

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Solution

The fourth proportional to 816,745.22, 1,224,318.14 and 457,091.71 is: 685,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,745.22 : 1,224,318.14 = 457,091.71 : x
  2. Step 2: Convert to fraction form
    816,745.22/1,224,318.14 = 457,091.71/x
  3. Step 3: Cross multiply
    816,745.22x = 1,224,318.14 × 457,091.71
  4. Step 4: Simplify right side
    816,745.22x = 559,625,666,075.03
  5. Step 5: Solve for x
    x = 559,625,666,075.03/816,745.22
  6. Step 6: Final answer
    x = 685,190.01

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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.