Finding the Fourth Proportional to 782,205.08, 1,079,443.02 and 424,509.08
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Solution
The fourth proportional to 782,205.08, 1,079,443.02 and 424,509.08 is: 585,822.54
Step by Step Solution
- Step 1: Write the proportion equation
782,205.08 : 1,079,443.02 = 424,509.08 : x - Step 2: Convert to fraction form
782,205.08/1,079,443.02 = 424,509.08/x - Step 3: Cross multiply
782,205.08x = 1,079,443.02 × 424,509.08 - Step 4: Simplify right side
782,205.08x = 458,233,363,332.62 - Step 5: Solve for x
x = 458,233,363,332.62/782,205.08 - Step 6: Final answer
x = 585,822.54
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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.