Finding the Fourth Proportional to 648,492.38, 888,430.41 and 624,241.80
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Solution
The fourth proportional to 648,492.38, 888,430.41 and 624,241.80 is: 855,207.28
Step by Step Solution
- Step 1: Write the proportion equation
648,492.38 : 888,430.41 = 624,241.80 : x - Step 2: Convert to fraction form
648,492.38/888,430.41 = 624,241.80/x - Step 3: Cross multiply
648,492.38x = 888,430.41 × 624,241.80 - Step 4: Simplify right side
648,492.38x = 554,595,398,313.14 - Step 5: Solve for x
x = 554,595,398,313.14/648,492.38 - Step 6: Final answer
x = 855,207.28
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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.