Finding the Fourth Proportional to 963,633.18, 1,329,768.99 and 528,047.94
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Solution
The fourth proportional to 963,633.18, 1,329,768.99 and 528,047.94 is: 728,681.61
Step by Step Solution
- Step 1: Write the proportion equation
963,633.18 : 1,329,768.99 = 528,047.94 : x - Step 2: Convert to fraction form
963,633.18/1,329,768.99 = 528,047.94/x - Step 3: Cross multiply
963,633.18x = 1,329,768.99 × 528,047.94 - Step 4: Simplify right side
963,633.18x = 702,181,775,845.38 - Step 5: Solve for x
x = 702,181,775,845.38/963,633.18 - Step 6: Final answer
x = 728,681.61
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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.