Finding the Fourth Proportional to 558,753.12, 771,076.80 and 304,102.08
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Solution
The fourth proportional to 558,753.12, 771,076.80 and 304,102.08 is: 419,659.51
Step by Step Solution
- Step 1: Write the proportion equation
558,753.12 : 771,076.80 = 304,102.08 : x - Step 2: Convert to fraction form
558,753.12/771,076.80 = 304,102.08/x - Step 3: Cross multiply
558,753.12x = 771,076.80 × 304,102.08 - Step 4: Simplify right side
558,753.12x = 234,486,058,719.74 - Step 5: Solve for x
x = 234,486,058,719.74/558,753.12 - Step 6: Final answer
x = 419,659.51
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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.