Finding the Fourth Proportional to 907,451.58, 1,252,670.82 and 645,975.66
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Solution
The fourth proportional to 907,451.58, 1,252,670.82 and 645,975.66 is: 891,722.35
Step by Step Solution
- Step 1: Write the proportion equation
907,451.58 : 1,252,670.82 = 645,975.66 : x - Step 2: Convert to fraction form
907,451.58/1,252,670.82 = 645,975.66/x - Step 3: Cross multiply
907,451.58x = 1,252,670.82 × 645,975.66 - Step 4: Simplify right side
907,451.58x = 809,194,859,712.24 - Step 5: Solve for x
x = 809,194,859,712.24/907,451.58 - Step 6: Final answer
x = 891,722.35
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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.