Finding the Fourth Proportional to 756,029.80, 1,134,044.70 and 569,405.80
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Solution
The fourth proportional to 756,029.80, 1,134,044.70 and 569,405.80 is: 854,108.70
Step by Step Solution
- Step 1: Write the proportion equation
756,029.80 : 1,134,044.70 = 569,405.80 : x - Step 2: Convert to fraction form
756,029.80/1,134,044.70 = 569,405.80/x - Step 3: Cross multiply
756,029.80x = 1,134,044.70 × 569,405.80 - Step 4: Simplify right side
756,029.80x = 645,731,629,639.26 - Step 5: Solve for x
x = 645,731,629,639.26/756,029.80 - Step 6: Final answer
x = 854,108.70
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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.