Finding the Fourth Proportional to 747,786.24, 1,120,746.24 and 373,916.16
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Solution
The fourth proportional to 747,786.24, 1,120,746.24 and 373,916.16 is: 560,407.65
Step by Step Solution
- Step 1: Write the proportion equation
747,786.24 : 1,120,746.24 = 373,916.16 : x - Step 2: Convert to fraction form
747,786.24/1,120,746.24 = 373,916.16/x - Step 3: Cross multiply
747,786.24x = 1,120,746.24 × 373,916.16 - Step 4: Simplify right side
747,786.24x = 419,065,130,395.24 - Step 5: Solve for x
x = 419,065,130,395.24/747,786.24 - Step 6: Final answer
x = 560,407.65
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1.5x scale
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.