Finding the Fourth Proportional to 790,602.80, 1,185,956.17 and 317,226.65
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Solution
The fourth proportional to 790,602.80, 1,185,956.17 and 317,226.65 is: 475,860.82
Step by Step Solution
- Step 1: Write the proportion equation
790,602.80 : 1,185,956.17 = 317,226.65 : x - Step 2: Convert to fraction form
790,602.80/1,185,956.17 = 317,226.65/x - Step 3: Cross multiply
790,602.80x = 1,185,956.17 × 317,226.65 - Step 4: Simplify right side
790,602.80x = 376,216,896,133.08 - Step 5: Solve for x
x = 376,216,896,133.08/790,602.80 - Step 6: Final answer
x = 475,860.82
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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.