Finding the Fourth Proportional to 439,753.86, 607,239.08 and 276,682.26
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Solution
The fourth proportional to 439,753.86, 607,239.08 and 276,682.26 is: 382,059.81
Step by Step Solution
- Step 1: Write the proportion equation
439,753.86 : 607,239.08 = 276,682.26 : x - Step 2: Convert to fraction form
439,753.86/607,239.08 = 276,682.26/x - Step 3: Cross multiply
439,753.86x = 607,239.08 × 276,682.26 - Step 4: Simplify right side
439,753.86x = 168,012,277,822.44 - Step 5: Solve for x
x = 168,012,277,822.44/439,753.86 - Step 6: Final answer
x = 382,059.81
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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.