Finding the Fourth Proportional to 508,795.08, 702,193.06 and 291,024.20
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Solution
The fourth proportional to 508,795.08, 702,193.06 and 291,024.20 is: 401,645.34
Step by Step Solution
- Step 1: Write the proportion equation
508,795.08 : 702,193.06 = 291,024.20 : x - Step 2: Convert to fraction form
508,795.08/702,193.06 = 291,024.20/x - Step 3: Cross multiply
508,795.08x = 702,193.06 × 291,024.20 - Step 4: Simplify right side
508,795.08x = 204,355,173,532.05 - Step 5: Solve for x
x = 204,355,173,532.05/508,795.08 - Step 6: Final answer
x = 401,645.34
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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.