Finding the Fourth Proportional to 688,513.64, 950,129.88 and 382,582.12
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Solution
The fourth proportional to 688,513.64, 950,129.88 and 382,582.12 is: 527,952.80
Step by Step Solution
- Step 1: Write the proportion equation
688,513.64 : 950,129.88 = 382,582.12 : x - Step 2: Convert to fraction form
688,513.64/950,129.88 = 382,582.12/x - Step 3: Cross multiply
688,513.64x = 950,129.88 × 382,582.12 - Step 4: Simplify right side
688,513.64x = 363,502,703,765.75 - Step 5: Solve for x
x = 363,502,703,765.75/688,513.64 - Step 6: Final answer
x = 527,952.80
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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.