Finding the Fourth Proportional to 525,471.62, 785,328.17 and 383,615.62
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Solution
The fourth proportional to 525,471.62, 785,328.17 and 383,615.62 is: 573,321.45
Step by Step Solution
- Step 1: Write the proportion equation
525,471.62 : 785,328.17 = 383,615.62 : x - Step 2: Convert to fraction form
525,471.62/785,328.17 = 383,615.62/x - Step 3: Cross multiply
525,471.62x = 785,328.17 × 383,615.62 - Step 4: Simplify right side
525,471.62x = 301,264,148,956.62 - Step 5: Solve for x
x = 301,264,148,956.62/525,471.62 - Step 6: Final answer
x = 573,321.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.