Finding the Fourth Proportional to 570,494.26, 787,282.07 and 315,861.84
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Solution
The fourth proportional to 570,494.26, 787,282.07 and 315,861.84 is: 435,889.33
Step by Step Solution
- Step 1: Write the proportion equation
570,494.26 : 787,282.07 = 315,861.84 : x - Step 2: Convert to fraction form
570,494.26/787,282.07 = 315,861.84/x - Step 3: Cross multiply
570,494.26x = 787,282.07 × 315,861.84 - Step 4: Simplify right side
570,494.26x = 248,672,363,229.21 - Step 5: Solve for x
x = 248,672,363,229.21/570,494.26 - Step 6: Final answer
x = 435,889.33
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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.