Finding the Fourth Proportional to 839,386.24, 1,258,163.04 and 413,215.36
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Solution
The fourth proportional to 839,386.24, 1,258,163.04 and 413,215.36 is: 619,371.95
Step by Step Solution
- Step 1: Write the proportion equation
839,386.24 : 1,258,163.04 = 413,215.36 : x - Step 2: Convert to fraction form
839,386.24/1,258,163.04 = 413,215.36/x - Step 3: Cross multiply
839,386.24x = 1,258,163.04 × 413,215.36 - Step 4: Simplify right side
839,386.24x = 519,892,293,512.29 - Step 5: Solve for x
x = 519,892,293,512.29/839,386.24 - Step 6: Final answer
x = 619,371.95
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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.