Finding the Fourth Proportional to 939,642.51, 1,296,716.18 and 509,926.35
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Solution
The fourth proportional to 939,642.51, 1,296,716.18 and 509,926.35 is: 703,703.52
Step by Step Solution
- Step 1: Write the proportion equation
939,642.51 : 1,296,716.18 = 509,926.35 : x - Step 2: Convert to fraction form
939,642.51/1,296,716.18 = 509,926.35/x - Step 3: Cross multiply
939,642.51x = 1,296,716.18 × 509,926.35 - Step 4: Simplify right side
939,642.51x = 661,229,746,103.71 - Step 5: Solve for x
x = 661,229,746,103.71/939,642.51 - Step 6: Final answer
x = 703,703.52
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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.