Finding the Fourth Proportional to 979,918.30, 1,352,325.18 and 544,368.64
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Solution
The fourth proportional to 979,918.30, 1,352,325.18 and 544,368.64 is: 751,249.79
Step by Step Solution
- Step 1: Write the proportion equation
979,918.30 : 1,352,325.18 = 544,368.64 : x - Step 2: Convert to fraction form
979,918.30/1,352,325.18 = 544,368.64/x - Step 3: Cross multiply
979,918.30x = 1,352,325.18 × 544,368.64 - Step 4: Simplify right side
979,918.30x = 736,163,412,685.44 - Step 5: Solve for x
x = 736,163,412,685.44/979,918.30 - Step 6: Final answer
x = 751,249.79
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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.