Finding the Fourth Proportional to 677,304.12, 1,016,125.11 and 478,013.79
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Solution
The fourth proportional to 677,304.12, 1,016,125.11 and 478,013.79 is: 717,139.91
Step by Step Solution
- Step 1: Write the proportion equation
677,304.12 : 1,016,125.11 = 478,013.79 : x - Step 2: Convert to fraction form
677,304.12/1,016,125.11 = 478,013.79/x - Step 3: Cross multiply
677,304.12x = 1,016,125.11 × 478,013.79 - Step 4: Simplify right side
677,304.12x = 485,721,814,945.27 - Step 5: Solve for x
x = 485,721,814,945.27/677,304.12 - Step 6: Final answer
x = 717,139.91
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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.