Finding the Fourth Proportional to 486,124.70, 729,187.05 and 486,124.70
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Solution
The fourth proportional to 486,124.70, 729,187.05 and 486,124.70 is: 729,187.05
Step by Step Solution
- Step 1: Write the proportion equation
486,124.70 : 729,187.05 = 486,124.70 : x - Step 2: Convert to fraction form
486,124.70/729,187.05 = 486,124.70/x - Step 3: Cross multiply
486,124.70x = 729,187.05 × 486,124.70 - Step 4: Simplify right side
486,124.70x = 354,475,835,925.14 - Step 5: Solve for x
x = 354,475,835,925.14/486,124.70 - Step 6: Final answer
x = 729,187.05
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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.