Finding the Fourth Proportional to 939,879.04, 1,296,998.28 and 510,149.98
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Solution
The fourth proportional to 939,879.04, 1,296,998.28 and 510,149.98 is: 703,988.09
Step by Step Solution
- Step 1: Write the proportion equation
939,879.04 : 1,296,998.28 = 510,149.98 : x - Step 2: Convert to fraction form
939,879.04/1,296,998.28 = 510,149.98/x - Step 3: Cross multiply
939,879.04x = 1,296,998.28 × 510,149.98 - Step 4: Simplify right side
939,879.04x = 661,663,646,602.03 - Step 5: Solve for x
x = 661,663,646,602.03/939,879.04 - Step 6: Final answer
x = 703,988.09
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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.