Finding the Fourth Proportional to 578,701.68, 798,586.28 and 324,040.08
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Solution
The fourth proportional to 578,701.68, 798,586.28 and 324,040.08 is: 447,162.97
Step by Step Solution
- Step 1: Write the proportion equation
578,701.68 : 798,586.28 = 324,040.08 : x - Step 2: Convert to fraction form
578,701.68/798,586.28 = 324,040.08/x - Step 3: Cross multiply
578,701.68x = 798,586.28 × 324,040.08 - Step 4: Simplify right side
578,701.68x = 258,773,962,058.10 - Step 5: Solve for x
x = 258,773,962,058.10/578,701.68 - Step 6: Final answer
x = 447,162.97
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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.