Finding the Fourth Proportional to 705,414.17, 973,478.58 and 383,130.56
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Solution
The fourth proportional to 705,414.17, 973,478.58 and 383,130.56 is: 528,723.99
Step by Step Solution
- Step 1: Write the proportion equation
705,414.17 : 973,478.58 = 383,130.56 : x - Step 2: Convert to fraction form
705,414.17/973,478.58 = 383,130.56/x - Step 3: Cross multiply
705,414.17x = 973,478.58 × 383,130.56 - Step 4: Simplify right side
705,414.17x = 372,969,393,503.41 - Step 5: Solve for x
x = 372,969,393,503.41/705,414.17 - Step 6: Final answer
x = 528,723.99
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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.