Finding the Fourth Proportional to 977,110.60, 1,465,665.90 and 416,201.80
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Solution
The fourth proportional to 977,110.60, 1,465,665.90 and 416,201.80 is: 624,302.70
Step by Step Solution
- Step 1: Write the proportion equation
977,110.60 : 1,465,665.90 = 416,201.80 : x - Step 2: Convert to fraction form
977,110.60/1,465,665.90 = 416,201.80/x - Step 3: Cross multiply
977,110.60x = 1,465,665.90 × 416,201.80 - Step 4: Simplify right side
977,110.60x = 610,012,785,778.62 - Step 5: Solve for x
x = 610,012,785,778.62/977,110.60 - Step 6: Final answer
x = 624,302.70
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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.