Finding the Fourth Proportional to 908,131.96, 1,253,174.28 and 520,927.84
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Solution
The fourth proportional to 908,131.96, 1,253,174.28 and 520,927.84 is: 718,852.99
Step by Step Solution
- Step 1: Write the proportion equation
908,131.96 : 1,253,174.28 = 520,927.84 : x - Step 2: Convert to fraction form
908,131.96/1,253,174.28 = 520,927.84/x - Step 3: Cross multiply
908,131.96x = 1,253,174.28 × 520,927.84 - Step 4: Simplify right side
908,131.96x = 652,813,370,823.96 - Step 5: Solve for x
x = 652,813,370,823.96/908,131.96 - Step 6: Final answer
x = 718,852.99
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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.