Finding the Fourth Proportional to 754,178.24, 1,040,616.72 and 423,044.84
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Solution
The fourth proportional to 754,178.24, 1,040,616.72 and 423,044.84 is: 583,718.16
Step by Step Solution
- Step 1: Write the proportion equation
754,178.24 : 1,040,616.72 = 423,044.84 : x - Step 2: Convert to fraction form
754,178.24/1,040,616.72 = 423,044.84/x - Step 3: Cross multiply
754,178.24x = 1,040,616.72 × 423,044.84 - Step 4: Simplify right side
754,178.24x = 440,227,533,813.73 - Step 5: Solve for x
x = 440,227,533,813.73/754,178.24 - Step 6: Final answer
x = 583,718.16
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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.