Finding the Fourth Proportional to 873,426.08, 1,205,382.94 and 529,292.14
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Solution
The fourth proportional to 873,426.08, 1,205,382.94 and 529,292.14 is: 730,456.45
Step by Step Solution
- Step 1: Write the proportion equation
873,426.08 : 1,205,382.94 = 529,292.14 : x - Step 2: Convert to fraction form
873,426.08/1,205,382.94 = 529,292.14/x - Step 3: Cross multiply
873,426.08x = 1,205,382.94 × 529,292.14 - Step 4: Simplify right side
873,426.08x = 637,999,715,832.09 - Step 5: Solve for x
x = 637,999,715,832.09/873,426.08 - Step 6: Final answer
x = 730,456.45
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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.