Finding the Fourth Proportional to 970,277.48, 1,455,571.74 and 409,394.60
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Solution
The fourth proportional to 970,277.48, 1,455,571.74 and 409,394.60 is: 614,157.52
Step by Step Solution
- Step 1: Write the proportion equation
970,277.48 : 1,455,571.74 = 409,394.60 : x - Step 2: Convert to fraction form
970,277.48/1,455,571.74 = 409,394.60/x - Step 3: Cross multiply
970,277.48x = 1,455,571.74 × 409,394.60 - Step 4: Simplify right side
970,277.48x = 595,903,210,268.60 - Step 5: Solve for x
x = 595,903,210,268.60/970,277.48 - Step 6: Final answer
x = 614,157.52
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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.