Finding the Fourth Proportional to 955,010.87, 1,432,360.61 and 280,934.53
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Solution
The fourth proportional to 955,010.87, 1,432,360.61 and 280,934.53 is: 421,355.99
Step by Step Solution
- Step 1: Write the proportion equation
955,010.87 : 1,432,360.61 = 280,934.53 : x - Step 2: Convert to fraction form
955,010.87/1,432,360.61 = 280,934.53/x - Step 3: Cross multiply
955,010.87x = 1,432,360.61 × 280,934.53 - Step 4: Simplify right side
955,010.87x = 402,399,554,760.86 - Step 5: Solve for x
x = 402,399,554,760.86/955,010.87 - Step 6: Final answer
x = 421,355.99
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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.