Finding the Fourth Proportional to 825,293.12, 1,238,296.02 and 446,480.68
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Solution
The fourth proportional to 825,293.12, 1,238,296.02 and 446,480.68 is: 669,913.80
Step by Step Solution
- Step 1: Write the proportion equation
825,293.12 : 1,238,296.02 = 446,480.68 : x - Step 2: Convert to fraction form
825,293.12/1,238,296.02 = 446,480.68/x - Step 3: Cross multiply
825,293.12x = 1,238,296.02 × 446,480.68 - Step 4: Simplify right side
825,293.12x = 552,875,249,050.89 - Step 5: Solve for x
x = 552,875,249,050.89/825,293.12 - Step 6: Final answer
x = 669,913.80
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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.