Finding the Fourth Proportional to 938,794.34, 1,408,366.79 and 426,495.44
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Solution
The fourth proportional to 938,794.34, 1,408,366.79 and 426,495.44 is: 639,822.78
Step by Step Solution
- Step 1: Write the proportion equation
938,794.34 : 1,408,366.79 = 426,495.44 : x - Step 2: Convert to fraction form
938,794.34/1,408,366.79 = 426,495.44/x - Step 3: Cross multiply
938,794.34x = 1,408,366.79 × 426,495.44 - Step 4: Simplify right side
938,794.34x = 600,662,004,608.13 - Step 5: Solve for x
x = 600,662,004,608.13/938,794.34 - Step 6: Final answer
x = 639,822.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.