Finding the Fourth Proportional to 912,852.96, 1,368,138.96 and 439,411.68
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Solution
The fourth proportional to 912,852.96, 1,368,138.96 and 439,411.68 is: 658,568.54
Step by Step Solution
- Step 1: Write the proportion equation
912,852.96 : 1,368,138.96 = 439,411.68 : x - Step 2: Convert to fraction form
912,852.96/1,368,138.96 = 439,411.68/x - Step 3: Cross multiply
912,852.96x = 1,368,138.96 × 439,411.68 - Step 4: Simplify right side
912,852.96x = 601,176,238,887.05 - Step 5: Solve for x
x = 601,176,238,887.05/912,852.96 - Step 6: Final answer
x = 658,568.54
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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.