Finding the Fourth Proportional to 873,424.08, 1,205,380.17 and 529,290.14
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Solution
The fourth proportional to 873,424.08, 1,205,380.17 and 529,290.14 is: 730,453.69
Step by Step Solution
- Step 1: Write the proportion equation
873,424.08 : 1,205,380.17 = 529,290.14 : x - Step 2: Convert to fraction form
873,424.08/1,205,380.17 = 529,290.14/x - Step 3: Cross multiply
873,424.08x = 1,205,380.17 × 529,290.14 - Step 4: Simplify right side
873,424.08x = 637,995,838,932.52 - Step 5: Solve for x
x = 637,995,838,932.52/873,424.08 - Step 6: Final answer
x = 730,453.69
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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.