Finding the Fourth Proportional to 851,393.55, 1,173,968.59 and 695,862.19
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Solution
The fourth proportional to 851,393.55, 1,173,968.59 and 695,862.19 is: 959,509.68
Step by Step Solution
- Step 1: Write the proportion equation
851,393.55 : 1,173,968.59 = 695,862.19 : x - Step 2: Convert to fraction form
851,393.55/1,173,968.59 = 695,862.19/x - Step 3: Cross multiply
851,393.55x = 1,173,968.59 × 695,862.19 - Step 4: Simplify right side
851,393.55x = 816,920,353,716.49 - Step 5: Solve for x
x = 816,920,353,716.49/851,393.55 - Step 6: Final answer
x = 959,509.68
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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.