Finding the Fourth Proportional to 798,423.94, 1,101,817.47 and 492,377.98
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Solution
The fourth proportional to 798,423.94, 1,101,817.47 and 492,377.98 is: 679,476.95
Step by Step Solution
- Step 1: Write the proportion equation
798,423.94 : 1,101,817.47 = 492,377.98 : x - Step 2: Convert to fraction form
798,423.94/1,101,817.47 = 492,377.98/x - Step 3: Cross multiply
798,423.94x = 1,101,817.47 × 492,377.98 - Step 4: Simplify right side
798,423.94x = 542,510,660,207.31 - Step 5: Solve for x
x = 542,510,660,207.31/798,423.94 - Step 6: Final answer
x = 679,476.95
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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.