Finding the Fourth Proportional to 986,028.30, 1,476,294.93 and 630,163.98
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Solution
The fourth proportional to 986,028.30, 1,476,294.93 and 630,163.98 is: 943,490.05
Step by Step Solution
- Step 1: Write the proportion equation
986,028.30 : 1,476,294.93 = 630,163.98 : x - Step 2: Convert to fraction form
986,028.30/1,476,294.93 = 630,163.98/x - Step 3: Cross multiply
986,028.30x = 1,476,294.93 × 630,163.98 - Step 4: Simplify right side
986,028.30x = 930,307,888,742.62 - Step 5: Solve for x
x = 930,307,888,742.62/986,028.30 - Step 6: Final answer
x = 943,490.05
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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.