Finding the Fourth Proportional to 486,630.03, 666,671.99 and 468,436.05
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Solution
The fourth proportional to 486,630.03, 666,671.99 and 468,436.05 is: 641,746.65
Step by Step Solution
- Step 1: Write the proportion equation
486,630.03 : 666,671.99 = 468,436.05 : x - Step 2: Convert to fraction form
486,630.03/666,671.99 = 468,436.05/x - Step 3: Cross multiply
486,630.03x = 666,671.99 × 468,436.05 - Step 4: Simplify right side
486,630.03x = 312,293,193,641.24 - Step 5: Solve for x
x = 312,293,193,641.24/486,630.03 - Step 6: Final answer
x = 641,746.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.