Finding the Fourth Proportional to 515,267.68, 772,527.84 and 346,369.08
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Solution
The fourth proportional to 515,267.68, 772,527.84 and 346,369.08 is: 519,302.44
Step by Step Solution
- Step 1: Write the proportion equation
515,267.68 : 772,527.84 = 346,369.08 : x - Step 2: Convert to fraction form
515,267.68/772,527.84 = 346,369.08/x - Step 3: Cross multiply
515,267.68x = 772,527.84 × 346,369.08 - Step 4: Simplify right side
515,267.68x = 267,579,760,761.61 - Step 5: Solve for x
x = 267,579,760,761.61/515,267.68 - Step 6: Final answer
x = 519,302.44
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1.5x scale
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.