Finding the Fourth Proportional to 1,013,582.55, 1,519,925.49 and 303,478.23
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Solution
The fourth proportional to 1,013,582.55, 1,519,925.49 and 303,478.23 is: 455,083.11
Step by Step Solution
- Step 1: Write the proportion equation
1,013,582.55 : 1,519,925.49 = 303,478.23 : x - Step 2: Convert to fraction form
1,013,582.55/1,519,925.49 = 303,478.23/x - Step 3: Cross multiply
1,013,582.55x = 1,519,925.49 × 303,478.23 - Step 4: Simplify right side
1,013,582.55x = 461,264,297,437.08 - Step 5: Solve for x
x = 461,264,297,437.08/1,013,582.55 - Step 6: Final answer
x = 455,083.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.