Finding the Fourth Proportional to 715,311.99, 1,072,801.50 and 266,244.33
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Solution
The fourth proportional to 715,311.99, 1,072,801.50 and 266,244.33 is: 399,304.53
Step by Step Solution
- Step 1: Write the proportion equation
715,311.99 : 1,072,801.50 = 266,244.33 : x - Step 2: Convert to fraction form
715,311.99/1,072,801.50 = 266,244.33/x - Step 3: Cross multiply
715,311.99x = 1,072,801.50 × 266,244.33 - Step 4: Simplify right side
715,311.99x = 285,627,316,590.50 - Step 5: Solve for x
x = 285,627,316,590.50/715,311.99 - Step 6: Final answer
x = 399,304.53
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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.