Finding the Fourth Proportional to 865,010.80, 1,193,751.12 and 497,488.18
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Solution
The fourth proportional to 865,010.80, 1,193,751.12 and 497,488.18 is: 686,554.52
Step by Step Solution
- Step 1: Write the proportion equation
865,010.80 : 1,193,751.12 = 497,488.18 : x - Step 2: Convert to fraction form
865,010.80/1,193,751.12 = 497,488.18/x - Step 3: Cross multiply
865,010.80x = 1,193,751.12 × 497,488.18 - Step 4: Simplify right side
865,010.80x = 593,877,072,061.76 - Step 5: Solve for x
x = 593,877,072,061.76/865,010.80 - Step 6: Final answer
x = 686,554.52
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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.