Finding the Fourth Proportional to 703,858.95, 971,330.33 and 381,574.13
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Solution
The fourth proportional to 703,858.95, 971,330.33 and 381,574.13 is: 526,574.99
Step by Step Solution
- Step 1: Write the proportion equation
703,858.95 : 971,330.33 = 381,574.13 : x - Step 2: Convert to fraction form
703,858.95/971,330.33 = 381,574.13/x - Step 3: Cross multiply
703,858.95x = 971,330.33 × 381,574.13 - Step 4: Simplify right side
703,858.95x = 370,634,521,709.65 - Step 5: Solve for x
x = 370,634,521,709.65/703,858.95 - Step 6: Final answer
x = 526,574.99
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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.