Finding the Fourth Proportional to 995,118.30, 1,373,263.65 and 565,398.99
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Solution
The fourth proportional to 995,118.30, 1,373,263.65 and 565,398.99 is: 780,250.83
Step by Step Solution
- Step 1: Write the proportion equation
995,118.30 : 1,373,263.65 = 565,398.99 : x - Step 2: Convert to fraction form
995,118.30/1,373,263.65 = 565,398.99/x - Step 3: Cross multiply
995,118.30x = 1,373,263.65 × 565,398.99 - Step 4: Simplify right side
995,118.30x = 776,441,880,713.71 - Step 5: Solve for x
x = 776,441,880,713.71/995,118.30 - Step 6: Final answer
x = 780,250.83
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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.