Finding the Fourth Proportional to 786,278.42, 1,178,554.62 and 448,582.63
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Solution
The fourth proportional to 786,278.42, 1,178,554.62 and 448,582.63 is: 672,381.59
Step by Step Solution
- Step 1: Write the proportion equation
786,278.42 : 1,178,554.62 = 448,582.63 : x - Step 2: Convert to fraction form
786,278.42/1,178,554.62 = 448,582.63/x - Step 3: Cross multiply
786,278.42x = 1,178,554.62 × 448,582.63 - Step 4: Simplify right side
786,278.42x = 528,679,131,038.25 - Step 5: Solve for x
x = 528,679,131,038.25/786,278.42 - Step 6: Final answer
x = 672,381.59
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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.