Finding the Fourth Proportional to 987,157.08, 1,480,794.12 and 313,225.92
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Solution
The fourth proportional to 987,157.08, 1,480,794.12 and 313,225.92 is: 469,857.44
Step by Step Solution
- Step 1: Write the proportion equation
987,157.08 : 1,480,794.12 = 313,225.92 : x - Step 2: Convert to fraction form
987,157.08/1,480,794.12 = 313,225.92/x - Step 3: Cross multiply
987,157.08x = 1,480,794.12 × 313,225.92 - Step 4: Simplify right side
987,157.08x = 463,823,100,567.59 - Step 5: Solve for x
x = 463,823,100,567.59/987,157.08 - Step 6: Final answer
x = 469,857.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.