Finding the Fourth Proportional to 789,888.17, 1,184,881.49 and 316,512.02
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Solution
The fourth proportional to 789,888.17, 1,184,881.49 and 316,512.02 is: 474,787.75
Step by Step Solution
- Step 1: Write the proportion equation
789,888.17 : 1,184,881.49 = 316,512.02 : x - Step 2: Convert to fraction form
789,888.17/1,184,881.49 = 316,512.02/x - Step 3: Cross multiply
789,888.17x = 1,184,881.49 × 316,512.02 - Step 4: Simplify right side
789,888.17x = 375,029,226,353.54 - Step 5: Solve for x
x = 375,029,226,353.54/789,888.17 - Step 6: Final answer
x = 474,787.75
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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.