Finding the Fourth Proportional to 466,612.20, 699,140.70 and 438,618.60
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Solution
The fourth proportional to 466,612.20, 699,140.70 and 438,618.60 is: 657,196.95
Step by Step Solution
- Step 1: Write the proportion equation
466,612.20 : 699,140.70 = 438,618.60 : x - Step 2: Convert to fraction form
466,612.20/699,140.70 = 438,618.60/x - Step 3: Cross multiply
466,612.20x = 699,140.70 × 438,618.60 - Step 4: Simplify right side
466,612.20x = 306,656,115,037.02 - Step 5: Solve for x
x = 306,656,115,037.02/466,612.20 - Step 6: Final answer
x = 657,196.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.