Finding the Fourth Proportional to 583,639.51, 805,434.84 and 328,990.63
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Solution
The fourth proportional to 583,639.51, 805,434.84 and 328,990.63 is: 454,014.01
Step by Step Solution
- Step 1: Write the proportion equation
583,639.51 : 805,434.84 = 328,990.63 : x - Step 2: Convert to fraction form
583,639.51/805,434.84 = 328,990.63/x - Step 3: Cross multiply
583,639.51x = 805,434.84 × 328,990.63 - Step 4: Simplify right side
583,639.51x = 264,980,511,408.38 - Step 5: Solve for x
x = 264,980,511,408.38/583,639.51 - Step 6: Final answer
x = 454,014.01
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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.