Finding the Fourth Proportional to 925,726.08, 1,277,620.11 and 517,850.58
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Solution
The fourth proportional to 925,726.08, 1,277,620.11 and 517,850.58 is: 714,699.88
Step by Step Solution
- Step 1: Write the proportion equation
925,726.08 : 1,277,620.11 = 517,850.58 : x - Step 2: Convert to fraction form
925,726.08/1,277,620.11 = 517,850.58/x - Step 3: Cross multiply
925,726.08x = 1,277,620.11 × 517,850.58 - Step 4: Simplify right side
925,726.08x = 661,616,314,983.16 - Step 5: Solve for x
x = 661,616,314,983.16/925,726.08 - Step 6: Final answer
x = 714,699.88
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1.5x scale
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.