Finding the Fourth Proportional to 620,867.11, 930,521.91 and 265,463.95
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Solution
The fourth proportional to 620,867.11, 930,521.91 and 265,463.95 is: 397,862.95
Step by Step Solution
- Step 1: Write the proportion equation
620,867.11 : 930,521.91 = 265,463.95 : x - Step 2: Convert to fraction form
620,867.11/930,521.91 = 265,463.95/x - Step 3: Cross multiply
620,867.11x = 930,521.91 × 265,463.95 - Step 4: Simplify right side
620,867.11x = 247,020,017,137.54 - Step 5: Solve for x
x = 247,020,017,137.54/620,867.11 - Step 6: Final answer
x = 397,862.95
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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.