Finding the Fourth Proportional to 930,136.70, 1,395,205.05 and 894,707.30
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Solution
The fourth proportional to 930,136.70, 1,395,205.05 and 894,707.30 is: 1,342,060.95
Step by Step Solution
- Step 1: Write the proportion equation
930,136.70 : 1,395,205.05 = 894,707.30 : x - Step 2: Convert to fraction form
930,136.70/1,395,205.05 = 894,707.30/x - Step 3: Cross multiply
930,136.70x = 1,395,205.05 × 894,707.30 - Step 4: Simplify right side
930,136.70x = 1,248,300,143,231.87 - Step 5: Solve for x
x = 1,248,300,143,231.87/930,136.70 - Step 6: Final answer
x = 1,342,060.95
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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.