Finding the Fourth Proportional to 946,726.08, 1,420,101.66 and 315,640.09
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Solution
The fourth proportional to 946,726.08, 1,420,101.66 and 315,640.09 is: 473,464.32
Step by Step Solution
- Step 1: Write the proportion equation
946,726.08 : 1,420,101.66 = 315,640.09 : x - Step 2: Convert to fraction form
946,726.08/1,420,101.66 = 315,640.09/x - Step 3: Cross multiply
946,726.08x = 1,420,101.66 × 315,640.09 - Step 4: Simplify right side
946,726.08x = 448,241,018,730.33 - Step 5: Solve for x
x = 448,241,018,730.33/946,726.08 - Step 6: Final answer
x = 473,464.32
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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.