Finding the Fourth Proportional to 564,753.68, 779,430.30 and 323,002.70
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Solution
The fourth proportional to 564,753.68, 779,430.30 and 323,002.70 is: 445,783.89
Step by Step Solution
- Step 1: Write the proportion equation
564,753.68 : 779,430.30 = 323,002.70 : x - Step 2: Convert to fraction form
564,753.68/779,430.30 = 323,002.70/x - Step 3: Cross multiply
564,753.68x = 779,430.30 × 323,002.70 - Step 4: Simplify right side
564,753.68x = 251,758,091,361.81 - Step 5: Solve for x
x = 251,758,091,361.81/564,753.68 - Step 6: Final answer
x = 445,783.89
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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.