Finding the Fourth Proportional to 684,535.84, 944,662.08 and 382,729.12
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Solution
The fourth proportional to 684,535.84, 944,662.08 and 382,729.12 is: 528,167.65
Step by Step Solution
- Step 1: Write the proportion equation
684,535.84 : 944,662.08 = 382,729.12 : x - Step 2: Convert to fraction form
684,535.84/944,662.08 = 382,729.12/x - Step 3: Cross multiply
684,535.84x = 944,662.08 × 382,729.12 - Step 4: Simplify right side
684,535.84x = 361,549,686,575.77 - Step 5: Solve for x
x = 361,549,686,575.77/684,535.84 - Step 6: Final answer
x = 528,167.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.