Finding the Fourth Proportional to 574,745.65, 793,479.14 and 381,415.53
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Solution
The fourth proportional to 574,745.65, 793,479.14 and 381,415.53 is: 526,572.53
Step by Step Solution
- Step 1: Write the proportion equation
574,745.65 : 793,479.14 = 381,415.53 : x - Step 2: Convert to fraction form
574,745.65/793,479.14 = 381,415.53/x - Step 3: Cross multiply
574,745.65x = 793,479.14 × 381,415.53 - Step 4: Simplify right side
574,745.65x = 302,645,269,225.82 - Step 5: Solve for x
x = 302,645,269,225.82/574,745.65 - Step 6: Final answer
x = 526,572.53
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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.