Finding the Fourth Proportional to 751,777.47, 1,128,226.65 and 302,502.15
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Solution
The fourth proportional to 751,777.47, 1,128,226.65 and 302,502.15 is: 453,978.74
Step by Step Solution
- Step 1: Write the proportion equation
751,777.47 : 1,128,226.65 = 302,502.15 : x - Step 2: Convert to fraction form
751,777.47/1,128,226.65 = 302,502.15/x - Step 3: Cross multiply
751,777.47x = 1,128,226.65 × 302,502.15 - Step 4: Simplify right side
751,777.47x = 341,290,987,312.30 - Step 5: Solve for x
x = 341,290,987,312.30/751,777.47 - Step 6: Final answer
x = 453,978.74
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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.