Finding the Fourth Proportional to 905,162.26, 1,248,985.04 and 523,115.26
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Solution
The fourth proportional to 905,162.26, 1,248,985.04 and 523,115.26 is: 721,818.80
Step by Step Solution
- Step 1: Write the proportion equation
905,162.26 : 1,248,985.04 = 523,115.26 : x - Step 2: Convert to fraction form
905,162.26/1,248,985.04 = 523,115.26/x - Step 3: Cross multiply
905,162.26x = 1,248,985.04 × 523,115.26 - Step 4: Simplify right side
905,162.26x = 653,363,133,935.71 - Step 5: Solve for x
x = 653,363,133,935.71/905,162.26 - Step 6: Final answer
x = 721,818.80
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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.