Finding the Fourth Proportional to 930,700.88, 1,396,058.56 and 509,747.12
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Solution
The fourth proportional to 930,700.88, 1,396,058.56 and 509,747.12 is: 764,624.65
Step by Step Solution
- Step 1: Write the proportion equation
930,700.88 : 1,396,058.56 = 509,747.12 : x - Step 2: Convert to fraction form
930,700.88/1,396,058.56 = 509,747.12/x - Step 3: Cross multiply
930,700.88x = 1,396,058.56 × 509,747.12 - Step 4: Simplify right side
930,700.88x = 711,636,830,311.35 - Step 5: Solve for x
x = 711,636,830,311.35/930,700.88 - Step 6: Final answer
x = 764,624.65
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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.