Finding the Fourth Proportional to 578,979.52, 798,987.36 and 324,332.80
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Solution
The fourth proportional to 578,979.52, 798,987.36 and 324,332.80 is: 447,576.81
Step by Step Solution
- Step 1: Write the proportion equation
578,979.52 : 798,987.36 = 324,332.80 : x - Step 2: Convert to fraction form
578,979.52/798,987.36 = 324,332.80/x - Step 3: Cross multiply
578,979.52x = 798,987.36 × 324,332.80 - Step 4: Simplify right side
578,979.52x = 259,137,807,633.41 - Step 5: Solve for x
x = 259,137,807,633.41/578,979.52 - Step 6: Final answer
x = 447,576.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.