Finding the Fourth Proportional to 887,517.42, 1,330,994.25 and 288,340.17
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Solution
The fourth proportional to 887,517.42, 1,330,994.25 and 288,340.17 is: 432,418.68
Step by Step Solution
- Step 1: Write the proportion equation
887,517.42 : 1,330,994.25 = 288,340.17 : x - Step 2: Convert to fraction form
887,517.42/1,330,994.25 = 288,340.17/x - Step 3: Cross multiply
887,517.42x = 1,330,994.25 × 288,340.17 - Step 4: Simplify right side
887,517.42x = 383,779,108,314.02 - Step 5: Solve for x
x = 383,779,108,314.02/887,517.42 - Step 6: Final answer
x = 432,418.68
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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.