Finding the Fourth Proportional to 571,230.87, 851,739.37 and 555,536.75
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Solution
The fourth proportional to 571,230.87, 851,739.37 and 555,536.75 is: 828,338.49
Step by Step Solution
- Step 1: Write the proportion equation
571,230.87 : 851,739.37 = 555,536.75 : x - Step 2: Convert to fraction form
571,230.87/851,739.37 = 555,536.75/x - Step 3: Cross multiply
571,230.87x = 851,739.37 × 555,536.75 - Step 4: Simplify right side
571,230.87x = 473,172,515,809.31 - Step 5: Solve for x
x = 473,172,515,809.31/571,230.87 - Step 6: Final answer
x = 828,338.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.