Finding the Fourth Proportional to 657,116.70, 986,063.85 and 433,124.70
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Solution
The fourth proportional to 657,116.70, 986,063.85 and 433,124.70 is: 649,943.32
Step by Step Solution
- Step 1: Write the proportion equation
657,116.70 : 986,063.85 = 433,124.70 : x - Step 2: Convert to fraction form
657,116.70/986,063.85 = 433,124.70/x - Step 3: Cross multiply
657,116.70x = 986,063.85 × 433,124.70 - Step 4: Simplify right side
657,116.70x = 427,088,609,212.10 - Step 5: Solve for x
x = 427,088,609,212.10/657,116.70 - Step 6: Final answer
x = 649,943.32
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1.5x scale
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.