Finding the Fourth Proportional to 986,028.80, 1,476,295.68 and 630,164.48
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Solution
The fourth proportional to 986,028.80, 1,476,295.68 and 630,164.48 is: 943,490.80
Step by Step Solution
- Step 1: Write the proportion equation
986,028.80 : 1,476,295.68 = 630,164.48 : x - Step 2: Convert to fraction form
986,028.80/1,476,295.68 = 630,164.48/x - Step 3: Cross multiply
986,028.80x = 1,476,295.68 × 630,164.48 - Step 4: Simplify right side
986,028.80x = 930,309,099,513.45 - Step 5: Solve for x
x = 930,309,099,513.45/986,028.80 - Step 6: Final answer
x = 943,490.80
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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.