Finding the Fourth Proportional to 542,817.80, 814,226.70 and 402,849.80
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Solution
The fourth proportional to 542,817.80, 814,226.70 and 402,849.80 is: 604,274.70
Step by Step Solution
- Step 1: Write the proportion equation
542,817.80 : 814,226.70 = 402,849.80 : x - Step 2: Convert to fraction form
542,817.80/814,226.70 = 402,849.80/x - Step 3: Cross multiply
542,817.80x = 814,226.70 × 402,849.80 - Step 4: Simplify right side
542,817.80x = 328,011,063,249.66 - Step 5: Solve for x
x = 328,011,063,249.66/542,817.80 - Step 6: Final answer
x = 604,274.70
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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.