Finding the Fourth Proportional to 609,048.90, 840,489.06 and 337,135.54
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Solution
The fourth proportional to 609,048.90, 840,489.06 and 337,135.54 is: 465,247.92
Step by Step Solution
- Step 1: Write the proportion equation
609,048.90 : 840,489.06 = 337,135.54 : x - Step 2: Convert to fraction form
609,048.90/840,489.06 = 337,135.54/x - Step 3: Cross multiply
609,048.90x = 840,489.06 × 337,135.54 - Step 4: Simplify right side
609,048.90x = 283,358,733,107.19 - Step 5: Solve for x
x = 283,358,733,107.19/609,048.90 - Step 6: Final answer
x = 465,247.92
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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.