Finding the Fourth Proportional to 972,201.70, 1,458,302.55 and 545,299.30
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Solution
The fourth proportional to 972,201.70, 1,458,302.55 and 545,299.30 is: 817,948.95
Step by Step Solution
- Step 1: Write the proportion equation
972,201.70 : 1,458,302.55 = 545,299.30 : x - Step 2: Convert to fraction form
972,201.70/1,458,302.55 = 545,299.30/x - Step 3: Cross multiply
972,201.70x = 1,458,302.55 × 545,299.30 - Step 4: Simplify right side
972,201.70x = 795,211,359,703.22 - Step 5: Solve for x
x = 795,211,359,703.22/972,201.70 - Step 6: Final answer
x = 817,948.95
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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.