Finding the Fourth Proportional to 724,293.44, 999,572.69 and 418,382.69
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Solution
The fourth proportional to 724,293.44, 999,572.69 and 418,382.69 is: 577,395.70
Step by Step Solution
- Step 1: Write the proportion equation
724,293.44 : 999,572.69 = 418,382.69 : x - Step 2: Convert to fraction form
724,293.44/999,572.69 = 418,382.69/x - Step 3: Cross multiply
724,293.44x = 999,572.69 × 418,382.69 - Step 4: Simplify right side
724,293.44x = 418,203,914,437.63 - Step 5: Solve for x
x = 418,203,914,437.63/724,293.44 - Step 6: Final answer
x = 577,395.70
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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.