Finding the Fourth Proportional to 963,625.68, 1,329,758.64 and 528,040.44
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Solution
The fourth proportional to 963,625.68, 1,329,758.64 and 528,040.44 is: 728,671.26
Step by Step Solution
- Step 1: Write the proportion equation
963,625.68 : 1,329,758.64 = 528,040.44 : x - Step 2: Convert to fraction form
963,625.68/1,329,758.64 = 528,040.44/x - Step 3: Cross multiply
963,625.68x = 1,329,758.64 × 528,040.44 - Step 4: Simplify right side
963,625.68x = 702,166,337,359.40 - Step 5: Solve for x
x = 702,166,337,359.40/963,625.68 - Step 6: Final answer
x = 728,671.26
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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.