Finding the Fourth Proportional to 483,044.40, 724,696.20 and 430,815.60
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Solution
The fourth proportional to 483,044.40, 724,696.20 and 430,815.60 is: 646,338.99
Step by Step Solution
- Step 1: Write the proportion equation
483,044.40 : 724,696.20 = 430,815.60 : x - Step 2: Convert to fraction form
483,044.40/724,696.20 = 430,815.60/x - Step 3: Cross multiply
483,044.40x = 724,696.20 × 430,815.60 - Step 4: Simplify right side
483,044.40x = 312,210,428,220.72 - Step 5: Solve for x
x = 312,210,428,220.72/483,044.40 - Step 6: Final answer
x = 646,338.99
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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.