Finding the Fourth Proportional to 771,419.23, 1,064,477.50 and 427,246.14
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Solution
The fourth proportional to 771,419.23, 1,064,477.50 and 427,246.14 is: 589,554.79
Step by Step Solution
- Step 1: Write the proportion equation
771,419.23 : 1,064,477.50 = 427,246.14 : x - Step 2: Convert to fraction form
771,419.23/1,064,477.50 = 427,246.14/x - Step 3: Cross multiply
771,419.23x = 1,064,477.50 × 427,246.14 - Step 4: Simplify right side
771,419.23x = 454,793,902,991.85 - Step 5: Solve for x
x = 454,793,902,991.85/771,419.23 - Step 6: Final answer
x = 589,554.79
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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.