Finding the Fourth Proportional to 768,960.30, 1,053,458.10 and 740,209.35
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Solution
The fourth proportional to 768,960.30, 1,053,458.10 and 740,209.35 is: 1,014,069.95
Step by Step Solution
- Step 1: Write the proportion equation
768,960.30 : 1,053,458.10 = 740,209.35 : x - Step 2: Convert to fraction form
768,960.30/1,053,458.10 = 740,209.35/x - Step 3: Cross multiply
768,960.30x = 1,053,458.10 × 740,209.35 - Step 4: Simplify right side
768,960.30x = 779,779,535,453.24 - Step 5: Solve for x
x = 779,779,535,453.24/768,960.30 - Step 6: Final answer
x = 1,014,069.95
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.