Finding the Fourth Proportional to 508,794.08, 702,191.68 and 291,023.20
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Solution
The fourth proportional to 508,794.08, 702,191.68 and 291,023.20 is: 401,643.96
Step by Step Solution
- Step 1: Write the proportion equation
508,794.08 : 702,191.68 = 291,023.20 : x - Step 2: Convert to fraction form
508,794.08/702,191.68 = 291,023.20/x - Step 3: Cross multiply
508,794.08x = 702,191.68 × 291,023.20 - Step 4: Simplify right side
508,794.08x = 204,354,069,726.98 - Step 5: Solve for x
x = 204,354,069,726.98/508,794.08 - Step 6: Final answer
x = 401,643.96
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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.