Finding the Fourth Proportional to 746,381.91, 1,029,682.68 and 474,304.13
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Solution
The fourth proportional to 746,381.91, 1,029,682.68 and 474,304.13 is: 654,333.57
Step by Step Solution
- Step 1: Write the proportion equation
746,381.91 : 1,029,682.68 = 474,304.13 : x - Step 2: Convert to fraction form
746,381.91/1,029,682.68 = 474,304.13/x - Step 3: Cross multiply
746,381.91x = 1,029,682.68 × 474,304.13 - Step 4: Simplify right side
746,381.91x = 488,382,742,565.06 - Step 5: Solve for x
x = 488,382,742,565.06/746,381.91 - Step 6: Final answer
x = 654,333.57
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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.