Finding the Fourth Proportional to 556,112.88, 767,405.97 and 314,381.04
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Solution
The fourth proportional to 556,112.88, 767,405.97 and 314,381.04 is: 433,828.99
Step by Step Solution
- Step 1: Write the proportion equation
556,112.88 : 767,405.97 = 314,381.04 : x - Step 2: Convert to fraction form
556,112.88/767,405.97 = 314,381.04/x - Step 3: Cross multiply
556,112.88x = 767,405.97 × 314,381.04 - Step 4: Simplify right side
556,112.88x = 241,257,886,950.81 - Step 5: Solve for x
x = 241,257,886,950.81/556,112.88 - Step 6: Final answer
x = 433,828.99
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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.