Finding the Fourth Proportional to 564,742.92, 779,347.80 and 323,028.12
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Solution
The fourth proportional to 564,742.92, 779,347.80 and 323,028.12 is: 445,780.28
Step by Step Solution
- Step 1: Write the proportion equation
564,742.92 : 779,347.80 = 323,028.12 : x - Step 2: Convert to fraction form
564,742.92/779,347.80 = 323,028.12/x - Step 3: Cross multiply
564,742.92x = 779,347.80 × 323,028.12 - Step 4: Simplify right side
564,742.92x = 251,751,254,660.14 - Step 5: Solve for x
x = 251,751,254,660.14/564,742.92 - Step 6: Final answer
x = 445,780.28
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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.