Finding the Fourth Proportional to 938,602.08, 1,408,321.62 and 432,891
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Solution
The fourth proportional to 938,602.08, 1,408,321.62 and 432,891 is: 649,529.52
Step by Step Solution
- Step 1: Write the proportion equation
938,602.08 : 1,408,321.62 = 432,891 : x - Step 2: Convert to fraction form
938,602.08/1,408,321.62 = 432,891/x - Step 3: Cross multiply
938,602.08x = 1,408,321.62 × 432,891 - Step 4: Simplify right side
938,602.08x = 609,649,754,403.42 - Step 5: Solve for x
x = 609,649,754,403.42/938,602.08 - Step 6: Final answer
x = 649,529.52
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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.