Finding the Fourth Proportional to 938,793.84, 1,408,366.04 and 426,494.93
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Solution
The fourth proportional to 938,793.84, 1,408,366.04 and 426,494.93 is: 639,822.02
Step by Step Solution
- Step 1: Write the proportion equation
938,793.84 : 1,408,366.04 = 426,494.93 : x - Step 2: Convert to fraction form
938,793.84/1,408,366.04 = 426,494.93/x - Step 3: Cross multiply
938,793.84x = 1,408,366.04 × 426,494.93 - Step 4: Simplify right side
938,793.84x = 600,660,975,644.18 - Step 5: Solve for x
x = 600,660,975,644.18/938,793.84 - Step 6: Final answer
x = 639,822.02
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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.