Finding the Fourth Proportional to 809,266.65, 1,116,102.35 and 486,916.53
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Solution
The fourth proportional to 809,266.65, 1,116,102.35 and 486,916.53 is: 671,532.28
Step by Step Solution
- Step 1: Write the proportion equation
809,266.65 : 1,116,102.35 = 486,916.53 : x - Step 2: Convert to fraction form
809,266.65/1,116,102.35 = 486,916.53/x - Step 3: Cross multiply
809,266.65x = 1,116,102.35 × 486,916.53 - Step 4: Simplify right side
809,266.65x = 543,448,680,952.26 - Step 5: Solve for x
x = 543,448,680,952.26/809,266.65 - Step 6: Final answer
x = 671,532.28
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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.