Finding the Fourth Proportional to 622,387.80, 933,581.70 and 306,803.70
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Solution
The fourth proportional to 622,387.80, 933,581.70 and 306,803.70 is: 460,205.55
Step by Step Solution
- Step 1: Write the proportion equation
622,387.80 : 933,581.70 = 306,803.70 : x - Step 2: Convert to fraction form
622,387.80/933,581.70 = 306,803.70/x - Step 3: Cross multiply
622,387.80x = 933,581.70 × 306,803.70 - Step 4: Simplify right side
622,387.80x = 286,426,319,812.29 - Step 5: Solve for x
x = 286,426,319,812.29/622,387.80 - Step 6: Final answer
x = 460,205.55
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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.