Finding the Fourth Proportional to 938,844.28, 1,408,349.34 and 264,931.48
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Solution
The fourth proportional to 938,844.28, 1,408,349.34 and 264,931.48 is: 397,420.62
Step by Step Solution
- Step 1: Write the proportion equation
938,844.28 : 1,408,349.34 = 264,931.48 : x - Step 2: Convert to fraction form
938,844.28/1,408,349.34 = 264,931.48/x - Step 3: Cross multiply
938,844.28x = 1,408,349.34 × 264,931.48 - Step 4: Simplify right side
938,844.28x = 373,116,075,003.22 - Step 5: Solve for x
x = 373,116,075,003.22/938,844.28 - Step 6: Final answer
x = 397,420.62
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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.