Finding the Fourth Proportional to 694,261.93, 957,695.95 and 403,840.80
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Solution
The fourth proportional to 694,261.93, 957,695.95 and 403,840.80 is: 557,076.06
Step by Step Solution
- Step 1: Write the proportion equation
694,261.93 : 957,695.95 = 403,840.80 : x - Step 2: Convert to fraction form
694,261.93/957,695.95 = 403,840.80/x - Step 3: Cross multiply
694,261.93x = 957,695.95 × 403,840.80 - Step 4: Simplify right side
694,261.93x = 386,756,698,604.76 - Step 5: Solve for x
x = 386,756,698,604.76/694,261.93 - Step 6: Final answer
x = 557,076.06
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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.