Finding the Fourth Proportional to 768,364.95, 1,059,357.91 and 630,034.23
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Solution
The fourth proportional to 768,364.95, 1,059,357.91 and 630,034.23 is: 868,638.98
Step by Step Solution
- Step 1: Write the proportion equation
768,364.95 : 1,059,357.91 = 630,034.23 : x - Step 2: Convert to fraction form
768,364.95/1,059,357.91 = 630,034.23/x - Step 3: Cross multiply
768,364.95x = 1,059,357.91 × 630,034.23 - Step 4: Simplify right side
768,364.95x = 667,431,748,700.08 - Step 5: Solve for x
x = 667,431,748,700.08/768,364.95 - Step 6: Final answer
x = 868,638.98
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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.