Finding the Fourth Proportional to 715,754.07, 1,073,603.09 and 242,439.44
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Solution
The fourth proportional to 715,754.07, 1,073,603.09 and 242,439.44 is: 363,649.66
Step by Step Solution
- Step 1: Write the proportion equation
715,754.07 : 1,073,603.09 = 242,439.44 : x - Step 2: Convert to fraction form
715,754.07/1,073,603.09 = 242,439.44/x - Step 3: Cross multiply
715,754.07x = 1,073,603.09 × 242,439.44 - Step 4: Simplify right side
715,754.07x = 260,283,725,341.66 - Step 5: Solve for x
x = 260,283,725,341.66/715,754.07 - Step 6: Final answer
x = 363,649.66
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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.