Finding the Fourth Proportional to 713,657.56, 984,756.68 and 407,753.75
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Solution
The fourth proportional to 713,657.56, 984,756.68 and 407,753.75 is: 562,648.32
Step by Step Solution
- Step 1: Write the proportion equation
713,657.56 : 984,756.68 = 407,753.75 : x - Step 2: Convert to fraction form
713,657.56/984,756.68 = 407,753.75/x - Step 3: Cross multiply
713,657.56x = 984,756.68 × 407,753.75 - Step 4: Simplify right side
713,657.56x = 401,538,227,068.78 - Step 5: Solve for x
x = 401,538,227,068.78/713,657.56 - Step 6: Final answer
x = 562,648.32
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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.