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Finding the Fourth Proportional to 618,075.82, 852,904.03 and 346,081.36

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Solution

The fourth proportional to 618,075.82, 852,904.03 and 346,081.36 is: 477,569.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,075.82 : 852,904.03 = 346,081.36 : x
  2. Step 2: Convert to fraction form
    618,075.82/852,904.03 = 346,081.36/x
  3. Step 3: Cross multiply
    618,075.82x = 852,904.03 × 346,081.36
  4. Step 4: Simplify right side
    618,075.82x = 295,174,185,902.52
  5. Step 5: Solve for x
    x = 295,174,185,902.52/618,075.82
  6. Step 6: Final answer
    x = 477,569.54

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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.