Finding the Fourth Proportional to 501,524.62, 692,118.34 and 286,693.18
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Solution
The fourth proportional to 501,524.62, 692,118.34 and 286,693.18 is: 395,644.80
Step by Step Solution
- Step 1: Write the proportion equation
501,524.62 : 692,118.34 = 286,693.18 : x - Step 2: Convert to fraction form
501,524.62/692,118.34 = 286,693.18/x - Step 3: Cross multiply
501,524.62x = 692,118.34 × 286,693.18 - Step 4: Simplify right side
501,524.62x = 198,425,607,830.92 - Step 5: Solve for x
x = 198,425,607,830.92/501,524.62 - Step 6: Final answer
x = 395,644.80
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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.