Finding the Fourth Proportional to 485,854.30, 669,099.99 and 417,373.66
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Solution
The fourth proportional to 485,854.30, 669,099.99 and 417,373.66 is: 574,791.07
Step by Step Solution
- Step 1: Write the proportion equation
485,854.30 : 669,099.99 = 417,373.66 : x - Step 2: Convert to fraction form
485,854.30/669,099.99 = 417,373.66/x - Step 3: Cross multiply
485,854.30x = 669,099.99 × 417,373.66 - Step 4: Simplify right side
485,854.30x = 279,264,711,732.26 - Step 5: Solve for x
x = 279,264,711,732.26/485,854.30 - Step 6: Final answer
x = 574,791.07
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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.