Finding the Fourth Proportional to 527,305.96, 727,746.16 and 297,872.92
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Solution
The fourth proportional to 527,305.96, 727,746.16 and 297,872.92 is: 411,100.75
Step by Step Solution
- Step 1: Write the proportion equation
527,305.96 : 727,746.16 = 297,872.92 : x - Step 2: Convert to fraction form
527,305.96/727,746.16 = 297,872.92/x - Step 3: Cross multiply
527,305.96x = 727,746.16 × 297,872.92 - Step 4: Simplify right side
527,305.96x = 216,775,873,697.99 - Step 5: Solve for x
x = 216,775,873,697.99/527,305.96 - Step 6: Final answer
x = 411,100.75
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1.5x scale
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.