Home / 702,858.47-1,054,278.38-170,384.31

Finding the Fourth Proportional to 702,858.47, 1,054,278.38 and 170,384.31

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Solution

The fourth proportional to 702,858.47, 1,054,278.38 and 170,384.31 is: 255,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,858.47 : 1,054,278.38 = 170,384.31 : x
  2. Step 2: Convert to fraction form
    702,858.47/1,054,278.38 = 170,384.31/x
  3. Step 3: Cross multiply
    702,858.47x = 1,054,278.38 × 170,384.31
  4. Step 4: Simplify right side
    702,858.47x = 179,632,494,750.18
  5. Step 5: Solve for x
    x = 179,632,494,750.18/702,858.47
  6. Step 6: Final answer
    x = 255,574.21

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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.