Finding the Fourth Proportional to 569,903.77, 786,390.18 and 324,920.14
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Solution
The fourth proportional to 569,903.77, 786,390.18 and 324,920.14 is: 448,345.88
Step by Step Solution
- Step 1: Write the proportion equation
569,903.77 : 786,390.18 = 324,920.14 : x - Step 2: Convert to fraction form
569,903.77/786,390.18 = 324,920.14/x - Step 3: Cross multiply
569,903.77x = 786,390.18 × 324,920.14 - Step 4: Simplify right side
569,903.77x = 255,514,007,380.23 - Step 5: Solve for x
x = 255,514,007,380.23/569,903.77 - Step 6: Final answer
x = 448,345.88
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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.