Finding the Fourth Proportional to 536,450.63, 740,275.40 and 321,548.99
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Solution
The fourth proportional to 536,450.63, 740,275.40 and 321,548.99 is: 443,721.74
Step by Step Solution
- Step 1: Write the proportion equation
536,450.63 : 740,275.40 = 321,548.99 : x - Step 2: Convert to fraction form
536,450.63/740,275.40 = 321,548.99/x - Step 3: Cross multiply
536,450.63x = 740,275.40 × 321,548.99 - Step 4: Simplify right side
536,450.63x = 238,034,804,294.34 - Step 5: Solve for x
x = 238,034,804,294.34/536,450.63 - Step 6: Final answer
x = 443,721.74
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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.