Home / 771,338.06-1,064,450.70-427,185.26

Finding the Fourth Proportional to 771,338.06, 1,064,450.70 and 427,185.26

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Solution

The fourth proportional to 771,338.06, 1,064,450.70 and 427,185.26 is: 589,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,338.06 : 1,064,450.70 = 427,185.26 : x
  2. Step 2: Convert to fraction form
    771,338.06/1,064,450.70 = 427,185.26/x
  3. Step 3: Cross multiply
    771,338.06x = 1,064,450.70 × 427,185.26
  4. Step 4: Simplify right side
    771,338.06x = 454,717,649,036.68
  5. Step 5: Solve for x
    x = 454,717,649,036.68/771,338.06
  6. Step 6: Final answer
    x = 589,517.97

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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.