Finding the Fourth Proportional to 407,259.58, 607,582.28 and 385,214.62
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Solution
The fourth proportional to 407,259.58, 607,582.28 and 385,214.62 is: 574,693.85
Step by Step Solution
- Step 1: Write the proportion equation
407,259.58 : 607,582.28 = 385,214.62 : x - Step 2: Convert to fraction form
407,259.58/607,582.28 = 385,214.62/x - Step 3: Cross multiply
407,259.58x = 607,582.28 × 385,214.62 - Step 4: Simplify right side
407,259.58x = 234,049,577,108.93 - Step 5: Solve for x
x = 234,049,577,108.93/407,259.58 - Step 6: Final answer
x = 574,693.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.