Finding the Fourth Proportional to 583,631.19, 805,423.37 and 328,982.31
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Solution
The fourth proportional to 583,631.19, 805,423.37 and 328,982.31 is: 454,002.53
Step by Step Solution
- Step 1: Write the proportion equation
583,631.19 : 805,423.37 = 328,982.31 : x - Step 2: Convert to fraction form
583,631.19/805,423.37 = 328,982.31/x - Step 3: Cross multiply
583,631.19x = 805,423.37 × 328,982.31 - Step 4: Simplify right side
583,631.19x = 264,970,039,145.67 - Step 5: Solve for x
x = 264,970,039,145.67/583,631.19 - Step 6: Final answer
x = 454,002.53
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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.