Finding the Fourth Proportional to 516,503.80, 774,755.70 and 306,551.80
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Solution
The fourth proportional to 516,503.80, 774,755.70 and 306,551.80 is: 459,827.70
Step by Step Solution
- Step 1: Write the proportion equation
516,503.80 : 774,755.70 = 306,551.80 : x - Step 2: Convert to fraction form
516,503.80/774,755.70 = 306,551.80/x - Step 3: Cross multiply
516,503.80x = 774,755.70 × 306,551.80 - Step 4: Simplify right side
516,503.80x = 237,502,754,395.26 - Step 5: Solve for x
x = 237,502,754,395.26/516,503.80 - Step 6: Final answer
x = 459,827.70
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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.