Finding the Fourth Proportional to 888,347.16, 1,225,919.07 and 480,448.99
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Solution
The fourth proportional to 888,347.16, 1,225,919.07 and 480,448.99 is: 663,019.60
Step by Step Solution
- Step 1: Write the proportion equation
888,347.16 : 1,225,919.07 = 480,448.99 : x - Step 2: Convert to fraction form
888,347.16/1,225,919.07 = 480,448.99/x - Step 3: Cross multiply
888,347.16x = 1,225,919.07 × 480,448.99 - Step 4: Simplify right side
888,347.16x = 588,991,579,003.24 - Step 5: Solve for x
x = 588,991,579,003.24/888,347.16 - Step 6: Final answer
x = 663,019.60
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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.