Finding the Fourth Proportional to 760,374.99, 1,049,246.39 and 454,390.65
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Solution
The fourth proportional to 760,374.99, 1,049,246.39 and 454,390.65 is: 627,016.61
Step by Step Solution
- Step 1: Write the proportion equation
760,374.99 : 1,049,246.39 = 454,390.65 : x - Step 2: Convert to fraction form
760,374.99/1,049,246.39 = 454,390.65/x - Step 3: Cross multiply
760,374.99x = 1,049,246.39 × 454,390.65 - Step 4: Simplify right side
760,374.99x = 476,767,746,890.30 - Step 5: Solve for x
x = 476,767,746,890.30/760,374.99 - Step 6: Final answer
x = 627,016.61
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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.