Finding the Fourth Proportional to 517,742.29, 714,210.33 and 356,317.09
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Solution
The fourth proportional to 517,742.29, 714,210.33 and 356,317.09 is: 491,528.99
Step by Step Solution
- Step 1: Write the proportion equation
517,742.29 : 714,210.33 = 356,317.09 : x - Step 2: Convert to fraction form
517,742.29/714,210.33 = 356,317.09/x - Step 3: Cross multiply
517,742.29x = 714,210.33 × 356,317.09 - Step 4: Simplify right side
517,742.29x = 254,485,346,433.54 - Step 5: Solve for x
x = 254,485,346,433.54/517,742.29 - Step 6: Final answer
x = 491,528.99
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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.