Finding the Fourth Proportional to 531,258.99, 733,118.64 and 289,536.76
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Solution
The fourth proportional to 531,258.99, 733,118.64 and 289,536.76 is: 399,550.50
Step by Step Solution
- Step 1: Write the proportion equation
531,258.99 : 733,118.64 = 289,536.76 : x - Step 2: Convert to fraction form
531,258.99/733,118.64 = 289,536.76/x - Step 3: Cross multiply
531,258.99x = 733,118.64 × 289,536.76 - Step 4: Simplify right side
531,258.99x = 212,264,795,721.21 - Step 5: Solve for x
x = 212,264,795,721.21/531,258.99 - Step 6: Final answer
x = 399,550.50
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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.