Finding the Fourth Proportional to 559,203.30, 771,709.34 and 304,554.29
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Solution
The fourth proportional to 559,203.30, 771,709.34 and 304,554.29 is: 420,289.70
Step by Step Solution
- Step 1: Write the proportion equation
559,203.30 : 771,709.34 = 304,554.29 : x - Step 2: Convert to fraction form
559,203.30/771,709.34 = 304,554.29/x - Step 3: Cross multiply
559,203.30x = 771,709.34 × 304,554.29 - Step 4: Simplify right side
559,203.30x = 235,027,387,032.91 - Step 5: Solve for x
x = 235,027,387,032.91/559,203.30 - Step 6: Final answer
x = 420,289.70
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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.