Finding the Fourth Proportional to 692,274.18, 955,350.81 and 406,000.74
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Solution
The fourth proportional to 692,274.18, 955,350.81 and 406,000.74 is: 560,288.32
Step by Step Solution
- Step 1: Write the proportion equation
692,274.18 : 955,350.81 = 406,000.74 : x - Step 2: Convert to fraction form
692,274.18/955,350.81 = 406,000.74/x - Step 3: Cross multiply
692,274.18x = 955,350.81 × 406,000.74 - Step 4: Simplify right side
692,274.18x = 387,873,135,819.60 - Step 5: Solve for x
x = 387,873,135,819.60/692,274.18 - Step 6: Final answer
x = 560,288.32
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1.5x scale
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.