Finding the Fourth Proportional to 875,184.15, 1,207,749.60 and 507,735.60
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Solution
The fourth proportional to 875,184.15, 1,207,749.60 and 507,735.60 is: 700,672.50
Step by Step Solution
- Step 1: Write the proportion equation
875,184.15 : 1,207,749.60 = 507,735.60 : x - Step 2: Convert to fraction form
875,184.15/1,207,749.60 = 507,735.60/x - Step 3: Cross multiply
875,184.15x = 1,207,749.60 × 507,735.60 - Step 4: Simplify right side
875,184.15x = 613,217,467,805.76 - Step 5: Solve for x
x = 613,217,467,805.76/875,184.15 - Step 6: Final answer
x = 700,672.50
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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.