Finding the Fourth Proportional to 873,983.08, 1,206,119.46 and 492,023.80
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Solution
The fourth proportional to 873,983.08, 1,206,119.46 and 492,023.80 is: 679,005.69
Step by Step Solution
- Step 1: Write the proportion equation
873,983.08 : 1,206,119.46 = 492,023.80 : x - Step 2: Convert to fraction form
873,983.08/1,206,119.46 = 492,023.80/x - Step 3: Cross multiply
873,983.08x = 1,206,119.46 × 492,023.80 - Step 4: Simplify right side
873,983.08x = 593,439,479,963.15 - Step 5: Solve for x
x = 593,439,479,963.15/873,983.08 - Step 6: Final answer
x = 679,005.69
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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.