Finding the Fourth Proportional to 938,989.68, 1,408,066.56 and 299,175.84
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Solution
The fourth proportional to 938,989.68, 1,408,066.56 and 299,175.84 is: 448,630.59
Step by Step Solution
- Step 1: Write the proportion equation
938,989.68 : 1,408,066.56 = 299,175.84 : x - Step 2: Convert to fraction form
938,989.68/1,408,066.56 = 299,175.84/x - Step 3: Cross multiply
938,989.68x = 1,408,066.56 × 299,175.84 - Step 4: Simplify right side
938,989.68x = 421,259,495,863.91 - Step 5: Solve for x
x = 421,259,495,863.91/938,989.68 - Step 6: Final answer
x = 448,630.59
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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.