Finding the Fourth Proportional to 938,848.25, 1,407,650.13 and 339,731.44
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Solution
The fourth proportional to 938,848.25, 1,407,650.13 and 339,731.44 is: 509,371.99
Step by Step Solution
- Step 1: Write the proportion equation
938,848.25 : 1,407,650.13 = 339,731.44 : x - Step 2: Convert to fraction form
938,848.25/1,407,650.13 = 339,731.44/x - Step 3: Cross multiply
938,848.25x = 1,407,650.13 × 339,731.44 - Step 4: Simplify right side
938,848.25x = 478,223,002,161.96 - Step 5: Solve for x
x = 478,223,002,161.96/938,848.25 - Step 6: Final answer
x = 509,371.99
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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.