Finding the Fourth Proportional to 712,765.08, 983,615.64 and 426,285.18
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Solution
The fourth proportional to 712,765.08, 983,615.64 and 426,285.18 is: 588,273.45
Step by Step Solution
- Step 1: Write the proportion equation
712,765.08 : 983,615.64 = 426,285.18 : x - Step 2: Convert to fraction form
712,765.08/983,615.64 = 426,285.18/x - Step 3: Cross multiply
712,765.08x = 983,615.64 × 426,285.18 - Step 4: Simplify right side
712,765.08x = 419,300,770,148.22 - Step 5: Solve for x
x = 419,300,770,148.22/712,765.08 - Step 6: Final answer
x = 588,273.45
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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.