Finding the Fourth Proportional to 877,534.80, 1,316,302.20 and 818,485.80
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Solution
The fourth proportional to 877,534.80, 1,316,302.20 and 818,485.80 is: 1,227,728.70
Step by Step Solution
- Step 1: Write the proportion equation
877,534.80 : 1,316,302.20 = 818,485.80 : x - Step 2: Convert to fraction form
877,534.80/1,316,302.20 = 818,485.80/x - Step 3: Cross multiply
877,534.80x = 1,316,302.20 × 818,485.80 - Step 4: Simplify right side
877,534.80x = 1,077,374,659,208.76 - Step 5: Solve for x
x = 1,077,374,659,208.76/877,534.80 - Step 6: Final answer
x = 1,227,728.70
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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.