Finding the Fourth Proportional to 789,805.86, 1,184,482.79 and 257,373.42
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Solution
The fourth proportional to 789,805.86, 1,184,482.79 and 257,373.42 is: 385,986.48
Step by Step Solution
- Step 1: Write the proportion equation
789,805.86 : 1,184,482.79 = 257,373.42 : x - Step 2: Convert to fraction form
789,805.86/1,184,482.79 = 257,373.42/x - Step 3: Cross multiply
789,805.86x = 1,184,482.79 × 257,373.42 - Step 4: Simplify right side
789,805.86x = 304,854,385,306.58 - Step 5: Solve for x
x = 304,854,385,306.58/789,805.86 - Step 6: Final answer
x = 385,986.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.