Finding the Fourth Proportional to 922,539.24, 1,381,316.06 and 478,374.12
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Solution
The fourth proportional to 922,539.24, 1,381,316.06 and 478,374.12 is: 716,268.56
Step by Step Solution
- Step 1: Write the proportion equation
922,539.24 : 1,381,316.06 = 478,374.12 : x - Step 2: Convert to fraction form
922,539.24/1,381,316.06 = 478,374.12/x - Step 3: Cross multiply
922,539.24x = 1,381,316.06 × 478,374.12 - Step 4: Simplify right side
922,539.24x = 660,785,854,644.37 - Step 5: Solve for x
x = 660,785,854,644.37/922,539.24 - Step 6: Final answer
x = 716,268.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.