Finding the Fourth Proportional to 889,967.92, 1,228,243.80 and 508,052.08
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Solution
The fourth proportional to 889,967.92, 1,228,243.80 and 508,052.08 is: 701,162.15
Step by Step Solution
- Step 1: Write the proportion equation
889,967.92 : 1,228,243.80 = 508,052.08 : x - Step 2: Convert to fraction form
889,967.92/1,228,243.80 = 508,052.08/x - Step 3: Cross multiply
889,967.92x = 1,228,243.80 × 508,052.08 - Step 4: Simplify right side
889,967.92x = 624,011,817,337.10 - Step 5: Solve for x
x = 624,011,817,337.10/889,967.92 - Step 6: Final answer
x = 701,162.15
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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.