Finding the Fourth Proportional to 528,280.18, 728,217.74 and 323,952.20
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Solution
The fourth proportional to 528,280.18, 728,217.74 and 323,952.20 is: 446,558.00
Step by Step Solution
- Step 1: Write the proportion equation
528,280.18 : 728,217.74 = 323,952.20 : x - Step 2: Convert to fraction form
528,280.18/728,217.74 = 323,952.20/x - Step 3: Cross multiply
528,280.18x = 728,217.74 × 323,952.20 - Step 4: Simplify right side
528,280.18x = 235,907,738,952.03 - Step 5: Solve for x
x = 235,907,738,952.03/528,280.18 - Step 6: Final answer
x = 446,558.00
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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.