Finding the Fourth Proportional to 1,009,932.84, 1,392,446.74 and 646,759.62
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Solution
The fourth proportional to 1,009,932.84, 1,392,446.74 and 646,759.62 is: 891,721.00
Step by Step Solution
- Step 1: Write the proportion equation
1,009,932.84 : 1,392,446.74 = 646,759.62 : x - Step 2: Convert to fraction form
1,009,932.84/1,392,446.74 = 646,759.62/x - Step 3: Cross multiply
1,009,932.84x = 1,392,446.74 × 646,759.62 - Step 4: Simplify right side
1,009,932.84x = 900,578,324,432.64 - Step 5: Solve for x
x = 900,578,324,432.64/1,009,932.84 - Step 6: Final answer
x = 891,721.00
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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.