Finding the Fourth Proportional to 811,401.84, 1,119,648.34 and 448,768.08
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Solution
The fourth proportional to 811,401.84, 1,119,648.34 and 448,768.08 is: 619,252.28
Step by Step Solution
- Step 1: Write the proportion equation
811,401.84 : 1,119,648.34 = 448,768.08 : x - Step 2: Convert to fraction form
811,401.84/1,119,648.34 = 448,768.08/x - Step 3: Cross multiply
811,401.84x = 1,119,648.34 × 448,768.08 - Step 4: Simplify right side
811,401.84x = 502,462,435,816.99 - Step 5: Solve for x
x = 502,462,435,816.99/811,401.84 - Step 6: Final answer
x = 619,252.28
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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.