Finding the Fourth Proportional to 651,455.60, 977,413.80 and 628,415.60
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Solution
The fourth proportional to 651,455.60, 977,413.80 and 628,415.60 is: 942,845.65
Step by Step Solution
- Step 1: Write the proportion equation
651,455.60 : 977,413.80 = 628,415.60 : x - Step 2: Convert to fraction form
651,455.60/977,413.80 = 628,415.60/x - Step 3: Cross multiply
651,455.60x = 977,413.80 × 628,415.60 - Step 4: Simplify right side
651,455.60x = 614,222,079,575.28 - Step 5: Solve for x
x = 614,222,079,575.28/651,455.60 - Step 6: Final answer
x = 942,845.65
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1.5x scale
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.