Finding the Fourth Proportional to 584,107.20, 876,160.80 and 384,652.80
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Solution
The fourth proportional to 584,107.20, 876,160.80 and 384,652.80 is: 576,979.20
Step by Step Solution
- Step 1: Write the proportion equation
584,107.20 : 876,160.80 = 384,652.80 : x - Step 2: Convert to fraction form
584,107.20/876,160.80 = 384,652.80/x - Step 3: Cross multiply
584,107.20x = 876,160.80 × 384,652.80 - Step 4: Simplify right side
584,107.20x = 337,017,704,970.24 - Step 5: Solve for x
x = 337,017,704,970.24/584,107.20 - Step 6: Final answer
x = 576,979.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.