Finding the Fourth Proportional to 977,683.73, 1,466,636.31 and 877,226.62
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Solution
The fourth proportional to 977,683.73, 1,466,636.31 and 877,226.62 is: 1,315,939.27
Step by Step Solution
- Step 1: Write the proportion equation
977,683.73 : 1,466,636.31 = 877,226.62 : x - Step 2: Convert to fraction form
977,683.73/1,466,636.31 = 877,226.62/x - Step 3: Cross multiply
977,683.73x = 1,466,636.31 × 877,226.62 - Step 4: Simplify right side
977,683.73x = 1,286,572,412,990.57 - Step 5: Solve for x
x = 1,286,572,412,990.57/977,683.73 - Step 6: Final answer
x = 1,315,939.27
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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.