Finding the Fourth Proportional to 505,386.32, 697,350.87 and 298,625.99
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Solution
The fourth proportional to 505,386.32, 697,350.87 and 298,625.99 is: 412,055.26
Step by Step Solution
- Step 1: Write the proportion equation
505,386.32 : 697,350.87 = 298,625.99 : x - Step 2: Convert to fraction form
505,386.32/697,350.87 = 298,625.99/x - Step 3: Cross multiply
505,386.32x = 697,350.87 × 298,625.99 - Step 4: Simplify right side
505,386.32x = 208,247,090,444.36 - Step 5: Solve for x
x = 208,247,090,444.36/505,386.32 - Step 6: Final answer
x = 412,055.26
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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.