Finding the Fourth Proportional to 477,336.67, 711,508.35 and 439,029.70
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Solution
The fourth proportional to 477,336.67, 711,508.35 and 439,029.70 is: 654,408.76
Step by Step Solution
- Step 1: Write the proportion equation
477,336.67 : 711,508.35 = 439,029.70 : x - Step 2: Convert to fraction form
477,336.67/711,508.35 = 439,029.70/x - Step 3: Cross multiply
477,336.67x = 711,508.35 × 439,029.70 - Step 4: Simplify right side
477,336.67x = 312,373,297,315.59 - Step 5: Solve for x
x = 312,373,297,315.59/477,336.67 - Step 6: Final answer
x = 654,408.76
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.