Finding the Fourth Proportional to 939,326.36, 1,407,834.74 and 433,184.63
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Solution
The fourth proportional to 939,326.36, 1,407,834.74 and 433,184.63 is: 649,244.39
Step by Step Solution
- Step 1: Write the proportion equation
939,326.36 : 1,407,834.74 = 433,184.63 : x - Step 2: Convert to fraction form
939,326.36/1,407,834.74 = 433,184.63/x - Step 3: Cross multiply
939,326.36x = 1,407,834.74 × 433,184.63 - Step 4: Simplify right side
939,326.36x = 609,852,364,991.83 - Step 5: Solve for x
x = 609,852,364,991.83/939,326.36 - Step 6: Final answer
x = 649,244.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.