Finding the Fourth Proportional to 875,261.99, 1,208,265.08 and 512,635.79
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Solution
The fourth proportional to 875,261.99, 1,208,265.08 and 512,635.79 is: 707,673.74
Step by Step Solution
- Step 1: Write the proportion equation
875,261.99 : 1,208,265.08 = 512,635.79 : x - Step 2: Convert to fraction form
875,261.99/1,208,265.08 = 512,635.79/x - Step 3: Cross multiply
875,261.99x = 1,208,265.08 × 512,635.79 - Step 4: Simplify right side
875,261.99x = 619,399,920,794.55 - Step 5: Solve for x
x = 619,399,920,794.55/875,261.99 - Step 6: Final answer
x = 707,673.74
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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.