Finding the Fourth Proportional to 873,118.36, 1,309,677.89 and 392,785.12
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Solution
The fourth proportional to 873,118.36, 1,309,677.89 and 392,785.12 is: 589,177.84
Step by Step Solution
- Step 1: Write the proportion equation
873,118.36 : 1,309,677.89 = 392,785.12 : x - Step 2: Convert to fraction form
873,118.36/1,309,677.89 = 392,785.12/x - Step 3: Cross multiply
873,118.36x = 1,309,677.89 × 392,785.12 - Step 4: Simplify right side
873,118.36x = 514,421,987,185.00 - Step 5: Solve for x
x = 514,421,987,185.00/873,118.36 - Step 6: Final answer
x = 589,177.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.