Finding the Fourth Proportional to 614,900.19, 848,563.41 and 342,985.68
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Solution
The fourth proportional to 614,900.19, 848,563.41 and 342,985.68 is: 473,320.88
Step by Step Solution
- Step 1: Write the proportion equation
614,900.19 : 848,563.41 = 342,985.68 : x - Step 2: Convert to fraction form
614,900.19/848,563.41 = 342,985.68/x - Step 3: Cross multiply
614,900.19x = 848,563.41 × 342,985.68 - Step 4: Simplify right side
614,900.19x = 291,045,098,201.97 - Step 5: Solve for x
x = 291,045,098,201.97/614,900.19 - Step 6: Final answer
x = 473,320.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.