Finding the Fourth Proportional to 947,436.80, 1,307,596.14 and 603,162.68
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Solution
The fourth proportional to 947,436.80, 1,307,596.14 and 603,162.68 is: 832,449.39
Step by Step Solution
- Step 1: Write the proportion equation
947,436.80 : 1,307,596.14 = 603,162.68 : x - Step 2: Convert to fraction form
947,436.80/1,307,596.14 = 603,162.68/x - Step 3: Cross multiply
947,436.80x = 1,307,596.14 × 603,162.68 - Step 4: Simplify right side
947,436.80x = 788,693,187,603.29 - Step 5: Solve for x
x = 788,693,187,603.29/947,436.80 - Step 6: Final answer
x = 832,449.39
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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.