Finding the Fourth Proportional to 536,510.21, 740,448.47 and 321,768.41
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Solution
The fourth proportional to 536,510.21, 740,448.47 and 321,768.41 is: 444,079.02
Step by Step Solution
- Step 1: Write the proportion equation
536,510.21 : 740,448.47 = 321,768.41 : x - Step 2: Convert to fraction form
536,510.21/740,448.47 = 321,768.41/x - Step 3: Cross multiply
536,510.21x = 740,448.47 × 321,768.41 - Step 4: Simplify right side
536,510.21x = 238,252,927,121.11 - Step 5: Solve for x
x = 238,252,927,121.11/536,510.21 - Step 6: Final answer
x = 444,079.02
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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.