Finding the Fourth Proportional to 528,482.13, 792,722.80 and 303,699.19
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Solution
The fourth proportional to 528,482.13, 792,722.80 and 303,699.19 is: 455,548.56
Step by Step Solution
- Step 1: Write the proportion equation
528,482.13 : 792,722.80 = 303,699.19 : x - Step 2: Convert to fraction form
528,482.13/792,722.80 = 303,699.19/x - Step 3: Cross multiply
528,482.13x = 792,722.80 × 303,699.19 - Step 4: Simplify right side
528,482.13x = 240,749,272,254.53 - Step 5: Solve for x
x = 240,749,272,254.53/528,482.13 - Step 6: Final answer
x = 455,548.56
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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.