Finding the Fourth Proportional to 922,330.55, 1,374,326.64 and 821,717.61
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Solution
The fourth proportional to 922,330.55, 1,374,326.64 and 821,717.61 is: 1,224,407.46
Step by Step Solution
- Step 1: Write the proportion equation
922,330.55 : 1,374,326.64 = 821,717.61 : x - Step 2: Convert to fraction form
922,330.55/1,374,326.64 = 821,717.61/x - Step 3: Cross multiply
922,330.55x = 1,374,326.64 × 821,717.61 - Step 4: Simplify right side
922,330.55x = 1,129,308,401,980.13 - Step 5: Solve for x
x = 1,129,308,401,980.13/922,330.55 - Step 6: Final answer
x = 1,224,407.46
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.