Finding the Fourth Proportional to 647,909.93, 894,109.61 and 357,524.17
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Solution
The fourth proportional to 647,909.93, 894,109.61 and 357,524.17 is: 493,379.99
Step by Step Solution
- Step 1: Write the proportion equation
647,909.93 : 894,109.61 = 357,524.17 : x - Step 2: Convert to fraction form
647,909.93/894,109.61 = 357,524.17/x - Step 3: Cross multiply
647,909.93x = 894,109.61 × 357,524.17 - Step 4: Simplify right side
647,909.93x = 319,665,794,862.81 - Step 5: Solve for x
x = 319,665,794,862.81/647,909.93 - Step 6: Final answer
x = 493,379.99
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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.