Finding the Fourth Proportional to 751,776.97, 1,128,225.90 and 302,501.65
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Solution
The fourth proportional to 751,776.97, 1,128,225.90 and 302,501.65 is: 453,977.99
Step by Step Solution
- Step 1: Write the proportion equation
751,776.97 : 1,128,225.90 = 302,501.65 : x - Step 2: Convert to fraction form
751,776.97/1,128,225.90 = 302,501.65/x - Step 3: Cross multiply
751,776.97x = 1,128,225.90 × 302,501.65 - Step 4: Simplify right side
751,776.97x = 341,290,196,322.74 - Step 5: Solve for x
x = 341,290,196,322.74/751,776.97 - Step 6: Final answer
x = 453,977.99
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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.