Finding the Fourth Proportional to 856,239.13, 1,181,595.22 and 474,257.71
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Solution
The fourth proportional to 856,239.13, 1,181,595.22 and 474,257.71 is: 654,467.45
Step by Step Solution
- Step 1: Write the proportion equation
856,239.13 : 1,181,595.22 = 474,257.71 : x - Step 2: Convert to fraction form
856,239.13/1,181,595.22 = 474,257.71/x - Step 3: Cross multiply
856,239.13x = 1,181,595.22 × 474,257.71 - Step 4: Simplify right side
856,239.13x = 560,380,643,184.15 - Step 5: Solve for x
x = 560,380,643,184.15/856,239.13 - Step 6: Final answer
x = 654,467.45
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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.