Finding the Fourth Proportional to 907,863.26, 1,252,855.08 and 520,693.65
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Solution
The fourth proportional to 907,863.26, 1,252,855.08 and 520,693.65 is: 718,559.41
Step by Step Solution
- Step 1: Write the proportion equation
907,863.26 : 1,252,855.08 = 520,693.65 : x - Step 2: Convert to fraction form
907,863.26/1,252,855.08 = 520,693.65/x - Step 3: Cross multiply
907,863.26x = 1,252,855.08 × 520,693.65 - Step 4: Simplify right side
907,863.26x = 652,353,684,526.24 - Step 5: Solve for x
x = 652,353,684,526.24/907,863.26 - Step 6: Final answer
x = 718,559.41
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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.