Finding the Fourth Proportional to 646,349.12, 967,700.93 and 342,053.99
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Solution
The fourth proportional to 646,349.12, 967,700.93 and 342,053.99 is: 512,116.37
Step by Step Solution
- Step 1: Write the proportion equation
646,349.12 : 967,700.93 = 342,053.99 : x - Step 2: Convert to fraction form
646,349.12/967,700.93 = 342,053.99/x - Step 3: Cross multiply
646,349.12x = 967,700.93 × 342,053.99 - Step 4: Simplify right side
646,349.12x = 331,005,961,313.32 - Step 5: Solve for x
x = 331,005,961,313.32/646,349.12 - Step 6: Final answer
x = 512,116.37
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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.