Finding the Fourth Proportional to 589,625.42, 813,581.07 and 347,889.74
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Solution
The fourth proportional to 589,625.42, 813,581.07 and 347,889.74 is: 480,027.65
Step by Step Solution
- Step 1: Write the proportion equation
589,625.42 : 813,581.07 = 347,889.74 : x - Step 2: Convert to fraction form
589,625.42/813,581.07 = 347,889.74/x - Step 3: Cross multiply
589,625.42x = 813,581.07 × 347,889.74 - Step 4: Simplify right side
589,625.42x = 283,036,506,911.22 - Step 5: Solve for x
x = 283,036,506,911.22/589,625.42 - Step 6: Final answer
x = 480,027.65
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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.