Finding the Fourth Proportional to 807,751.68, 1,114,698.24 and 468,417.12
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Solution
The fourth proportional to 807,751.68, 1,114,698.24 and 468,417.12 is: 646,416.16
Step by Step Solution
- Step 1: Write the proportion equation
807,751.68 : 1,114,698.24 = 468,417.12 : x - Step 2: Convert to fraction form
807,751.68/1,114,698.24 = 468,417.12/x - Step 3: Cross multiply
807,751.68x = 1,114,698.24 × 468,417.12 - Step 4: Simplify right side
807,751.68x = 522,143,739,249.87 - Step 5: Solve for x
x = 522,143,739,249.87/807,751.68 - Step 6: Final answer
x = 646,416.16
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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.