Finding the Fourth Proportional to 758,175.98, 1,046,703.20 and 516,813.12
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Solution
The fourth proportional to 758,175.98, 1,046,703.20 and 516,813.12 is: 713,488.64
Step by Step Solution
- Step 1: Write the proportion equation
758,175.98 : 1,046,703.20 = 516,813.12 : x - Step 2: Convert to fraction form
758,175.98/1,046,703.20 = 516,813.12/x - Step 3: Cross multiply
758,175.98x = 1,046,703.20 × 516,813.12 - Step 4: Simplify right side
758,175.98x = 540,949,943,921.92 - Step 5: Solve for x
x = 540,949,943,921.92/758,175.98 - Step 6: Final answer
x = 713,488.64
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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.