Home / 869,164.37-1,199,386.46-481,999.76

Finding the Fourth Proportional to 869,164.37, 1,199,386.46 and 481,999.76

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Solution

The fourth proportional to 869,164.37, 1,199,386.46 and 481,999.76 is: 665,126.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,164.37 : 1,199,386.46 = 481,999.76 : x
  2. Step 2: Convert to fraction form
    869,164.37/1,199,386.46 = 481,999.76/x
  3. Step 3: Cross multiply
    869,164.37x = 1,199,386.46 × 481,999.76
  4. Step 4: Simplify right side
    869,164.37x = 578,103,981,075.32
  5. Step 5: Solve for x
    x = 578,103,981,075.32/869,164.37
  6. Step 6: Final answer
    x = 665,126.19

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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.