Finding the Fourth Proportional to 507,260.76, 700,041.84 and 280,906.26
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Solution
The fourth proportional to 507,260.76, 700,041.84 and 280,906.26 is: 387,662.82
Step by Step Solution
- Step 1: Write the proportion equation
507,260.76 : 700,041.84 = 280,906.26 : x - Step 2: Convert to fraction form
507,260.76/700,041.84 = 280,906.26/x - Step 3: Cross multiply
507,260.76x = 700,041.84 × 280,906.26 - Step 4: Simplify right side
507,260.76x = 196,646,135,117.92 - Step 5: Solve for x
x = 196,646,135,117.92/507,260.76 - Step 6: Final answer
x = 387,662.82
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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.