Finding the Fourth Proportional to 901,479.44, 1,243,994.27 and 493,503.09
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Solution
The fourth proportional to 901,479.44, 1,243,994.27 and 493,503.09 is: 681,008.34
Step by Step Solution
- Step 1: Write the proportion equation
901,479.44 : 1,243,994.27 = 493,503.09 : x - Step 2: Convert to fraction form
901,479.44/1,243,994.27 = 493,503.09/x - Step 3: Cross multiply
901,479.44x = 1,243,994.27 × 493,503.09 - Step 4: Simplify right side
901,479.44x = 613,915,013,719.78 - Step 5: Solve for x
x = 613,915,013,719.78/901,479.44 - Step 6: Final answer
x = 681,008.34
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1.5x scale
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.