Finding the Fourth Proportional to 832,228.07, 1,148,469.92 and 450,246.65
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Solution
The fourth proportional to 832,228.07, 1,148,469.92 and 450,246.65 is: 621,337.77
Step by Step Solution
- Step 1: Write the proportion equation
832,228.07 : 1,148,469.92 = 450,246.65 : x - Step 2: Convert to fraction form
832,228.07/1,148,469.92 = 450,246.65/x - Step 3: Cross multiply
832,228.07x = 1,148,469.92 × 450,246.65 - Step 4: Simplify right side
832,228.07x = 517,094,726,112.19 - Step 5: Solve for x
x = 517,094,726,112.19/832,228.07 - Step 6: Final answer
x = 621,337.77
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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.