Finding the Fourth Proportional to 968,805.20, 1,453,207.80 and 664,374.80
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Solution
The fourth proportional to 968,805.20, 1,453,207.80 and 664,374.80 is: 996,562.20
Step by Step Solution
- Step 1: Write the proportion equation
968,805.20 : 1,453,207.80 = 664,374.80 : x - Step 2: Convert to fraction form
968,805.20/1,453,207.80 = 664,374.80/x - Step 3: Cross multiply
968,805.20x = 1,453,207.80 × 664,374.80 - Step 4: Simplify right side
968,805.20x = 965,474,641,483.44 - Step 5: Solve for x
x = 965,474,641,483.44/968,805.20 - Step 6: Final answer
x = 996,562.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.