Finding the Fourth Proportional to 865,797.55, 1,298,976.64 and 416,459.94
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Solution
The fourth proportional to 865,797.55, 1,298,976.64 and 416,459.94 is: 624,824.75
Step by Step Solution
- Step 1: Write the proportion equation
865,797.55 : 1,298,976.64 = 416,459.94 : x - Step 2: Convert to fraction form
865,797.55/1,298,976.64 = 416,459.94/x - Step 3: Cross multiply
865,797.55x = 1,298,976.64 × 416,459.94 - Step 4: Simplify right side
865,797.55x = 540,971,736,803.24 - Step 5: Solve for x
x = 540,971,736,803.24/865,797.55 - Step 6: Final answer
x = 624,824.75
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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.