Finding the Fourth Proportional to 670,737.42, 925,149.06 and 455,503.68
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Solution
The fourth proportional to 670,737.42, 925,149.06 and 455,503.68 is: 628,276.86
Step by Step Solution
- Step 1: Write the proportion equation
670,737.42 : 925,149.06 = 455,503.68 : x - Step 2: Convert to fraction form
670,737.42/925,149.06 = 455,503.68/x - Step 3: Cross multiply
670,737.42x = 925,149.06 × 455,503.68 - Step 4: Simplify right side
670,737.42x = 421,408,801,378.54 - Step 5: Solve for x
x = 421,408,801,378.54/670,737.42 - Step 6: Final answer
x = 628,276.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.