Finding the Fourth Proportional to 818,328.40, 1,128,987.60 and 817,066.84
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Solution
The fourth proportional to 818,328.40, 1,128,987.60 and 817,066.84 is: 1,127,247.12
Step by Step Solution
- Step 1: Write the proportion equation
818,328.40 : 1,128,987.60 = 817,066.84 : x - Step 2: Convert to fraction form
818,328.40/1,128,987.60 = 817,066.84/x - Step 3: Cross multiply
818,328.40x = 1,128,987.60 × 817,066.84 - Step 4: Simplify right side
818,328.40x = 922,458,330,731.18 - Step 5: Solve for x
x = 922,458,330,731.18/818,328.40 - Step 6: Final answer
x = 1,127,247.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.