Finding the Fourth Proportional to 837,764.74, 1,156,129.23 and 455,793.58
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Solution
The fourth proportional to 837,764.74, 1,156,129.23 and 455,793.58 is: 629,002.70
Step by Step Solution
- Step 1: Write the proportion equation
837,764.74 : 1,156,129.23 = 455,793.58 : x - Step 2: Convert to fraction form
837,764.74/1,156,129.23 = 455,793.58/x - Step 3: Cross multiply
837,764.74x = 1,156,129.23 × 455,793.58 - Step 4: Simplify right side
837,764.74x = 526,956,280,684.34 - Step 5: Solve for x
x = 526,956,280,684.34/837,764.74 - Step 6: Final answer
x = 629,002.70
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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.