Finding the Fourth Proportional to 946,726.57, 1,420,102.42 and 315,640.59
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Solution
The fourth proportional to 946,726.57, 1,420,102.42 and 315,640.59 is: 473,465.07
Step by Step Solution
- Step 1: Write the proportion equation
946,726.57 : 1,420,102.42 = 315,640.59 : x - Step 2: Convert to fraction form
946,726.57/1,420,102.42 = 315,640.59/x - Step 3: Cross multiply
946,726.57x = 1,420,102.42 × 315,640.59 - Step 4: Simplify right side
946,726.57x = 448,241,965,709.23 - Step 5: Solve for x
x = 448,241,965,709.23/946,726.57 - Step 6: Final answer
x = 473,465.07
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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.