Finding the Fourth Proportional to 579,409.80, 869,114.70 and 579,409.80
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Solution
The fourth proportional to 579,409.80, 869,114.70 and 579,409.80 is: 869,114.70
Step by Step Solution
- Step 1: Write the proportion equation
579,409.80 : 869,114.70 = 579,409.80 : x - Step 2: Convert to fraction form
579,409.80/869,114.70 = 579,409.80/x - Step 3: Cross multiply
579,409.80x = 869,114.70 × 579,409.80 - Step 4: Simplify right side
579,409.80x = 503,573,574,504.06 - Step 5: Solve for x
x = 503,573,574,504.06/579,409.80 - Step 6: Final answer
x = 869,114.70
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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.