Finding the Fourth Proportional to 657,946.70, 986,920.05 and 283,969.70
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Solution
The fourth proportional to 657,946.70, 986,920.05 and 283,969.70 is: 425,954.55
Step by Step Solution
- Step 1: Write the proportion equation
657,946.70 : 986,920.05 = 283,969.70 : x - Step 2: Convert to fraction form
657,946.70/986,920.05 = 283,969.70/x - Step 3: Cross multiply
657,946.70x = 986,920.05 × 283,969.70 - Step 4: Simplify right side
657,946.70x = 280,255,390,522.49 - Step 5: Solve for x
x = 280,255,390,522.49/657,946.70 - Step 6: Final answer
x = 425,954.55
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Double scale
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Similar ratio
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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.