Finding the Fourth Proportional to 993,122.72, 1,370,973.84 and 635,634.08
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Solution
The fourth proportional to 993,122.72, 1,370,973.84 and 635,634.08 is: 877,472.32
Step by Step Solution
- Step 1: Write the proportion equation
993,122.72 : 1,370,973.84 = 635,634.08 : x - Step 2: Convert to fraction form
993,122.72/1,370,973.84 = 635,634.08/x - Step 3: Cross multiply
993,122.72x = 1,370,973.84 × 635,634.08 - Step 4: Simplify right side
993,122.72x = 871,437,695,492.47 - Step 5: Solve for x
x = 871,437,695,492.47/993,122.72 - Step 6: Final answer
x = 877,472.32
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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.