Finding the Fourth Proportional to 987,696.24, 1,363,026.06 and 534,987.24
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Solution
The fourth proportional to 987,696.24, 1,363,026.06 and 534,987.24 is: 738,285.23
Step by Step Solution
- Step 1: Write the proportion equation
987,696.24 : 1,363,026.06 = 534,987.24 : x - Step 2: Convert to fraction form
987,696.24/1,363,026.06 = 534,987.24/x - Step 3: Cross multiply
987,696.24x = 1,363,026.06 × 534,987.24 - Step 4: Simplify right side
987,696.24x = 729,201,549,887.47 - Step 5: Solve for x
x = 729,201,549,887.47/987,696.24 - Step 6: Final answer
x = 738,285.23
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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.