Finding the Fourth Proportional to 922,298.94, 1,374,279.93 and 821,686.05
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Solution
The fourth proportional to 922,298.94, 1,374,279.93 and 821,686.05 is: 1,224,360.78
Step by Step Solution
- Step 1: Write the proportion equation
922,298.94 : 1,374,279.93 = 821,686.05 : x - Step 2: Convert to fraction form
922,298.94/1,374,279.93 = 821,686.05/x - Step 3: Cross multiply
922,298.94x = 1,374,279.93 × 821,686.05 - Step 4: Simplify right side
922,298.94x = 1,129,226,647,275.98 - Step 5: Solve for x
x = 1,129,226,647,275.98/922,298.94 - Step 6: Final answer
x = 1,224,360.78
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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.