Finding the Fourth Proportional to 528,600.70, 791,281.05 and 291,216.70
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Solution
The fourth proportional to 528,600.70, 791,281.05 and 291,216.70 is: 435,932.56
Step by Step Solution
- Step 1: Write the proportion equation
528,600.70 : 791,281.05 = 291,216.70 : x - Step 2: Convert to fraction form
528,600.70/791,281.05 = 291,216.70/x - Step 3: Cross multiply
528,600.70x = 791,281.05 × 291,216.70 - Step 4: Simplify right side
528,600.70x = 230,434,256,153.54 - Step 5: Solve for x
x = 230,434,256,153.54/528,600.70 - Step 6: Final answer
x = 435,932.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.