Finding the Fourth Proportional to 554,029.74, 830,198.97 and 328,946.94
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Solution
The fourth proportional to 554,029.74, 830,198.97 and 328,946.94 is: 492,918.32
Step by Step Solution
- Step 1: Write the proportion equation
554,029.74 : 830,198.97 = 328,946.94 : x - Step 2: Convert to fraction form
554,029.74/830,198.97 = 328,946.94/x - Step 3: Cross multiply
554,029.74x = 830,198.97 × 328,946.94 - Step 4: Simplify right side
554,029.74x = 273,091,410,772.65 - Step 5: Solve for x
x = 273,091,410,772.65/554,029.74 - Step 6: Final answer
x = 492,918.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.