Finding the Fourth Proportional to 939,188.20, 1,406,293.98 and 495,023.08
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Solution
The fourth proportional to 939,188.20, 1,406,293.98 and 495,023.08 is: 741,223.09
Step by Step Solution
- Step 1: Write the proportion equation
939,188.20 : 1,406,293.98 = 495,023.08 : x - Step 2: Convert to fraction form
939,188.20/1,406,293.98 = 495,023.08/x - Step 3: Cross multiply
939,188.20x = 1,406,293.98 × 495,023.08 - Step 4: Simplify right side
939,188.20x = 696,147,977,365.06 - Step 5: Solve for x
x = 696,147,977,365.06/939,188.20 - Step 6: Final answer
x = 741,223.09
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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.