Finding the Fourth Proportional to 534,353.90, 737,394.09 and 304,907.02
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Solution
The fourth proportional to 534,353.90, 737,394.09 and 304,907.02 is: 420,763.53
Step by Step Solution
- Step 1: Write the proportion equation
534,353.90 : 737,394.09 = 304,907.02 : x - Step 2: Convert to fraction form
534,353.90/737,394.09 = 304,907.02/x - Step 3: Cross multiply
534,353.90x = 737,394.09 × 304,907.02 - Step 4: Simplify right side
534,353.90x = 224,836,630,860.54 - Step 5: Solve for x
x = 224,836,630,860.54/534,353.90 - Step 6: Final answer
x = 420,763.53
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1.5x scale
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.