Finding the Fourth Proportional to 877,597.47, 1,316,245.68 and 278,425.08
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Solution
The fourth proportional to 877,597.47, 1,316,245.68 and 278,425.08 is: 417,589.86
Step by Step Solution
- Step 1: Write the proportion equation
877,597.47 : 1,316,245.68 = 278,425.08 : x - Step 2: Convert to fraction form
877,597.47/1,316,245.68 = 278,425.08/x - Step 3: Cross multiply
877,597.47x = 1,316,245.68 × 278,425.08 - Step 4: Simplify right side
877,597.47x = 366,475,808,753.65 - Step 5: Solve for x
x = 366,475,808,753.65/877,597.47 - Step 6: Final answer
x = 417,589.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.