Finding the Fourth Proportional to 834,485.19, 1,151,596.77 and 452,511.99
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Solution
The fourth proportional to 834,485.19, 1,151,596.77 and 452,511.99 is: 624,470.45
Step by Step Solution
- Step 1: Write the proportion equation
834,485.19 : 1,151,596.77 = 452,511.99 : x - Step 2: Convert to fraction form
834,485.19/1,151,596.77 = 452,511.99/x - Step 3: Cross multiply
834,485.19x = 1,151,596.77 × 452,511.99 - Step 4: Simplify right side
834,485.19x = 521,111,346,070.27 - Step 5: Solve for x
x = 521,111,346,070.27/834,485.19 - Step 6: Final answer
x = 624,470.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.