Finding the Fourth Proportional to 967,309.68, 1,450,962.72 and 257,337.68
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Solution
The fourth proportional to 967,309.68, 1,450,962.72 and 257,337.68 is: 386,006.04
Step by Step Solution
- Step 1: Write the proportion equation
967,309.68 : 1,450,962.72 = 257,337.68 : x - Step 2: Convert to fraction form
967,309.68/1,450,962.72 = 257,337.68/x - Step 3: Cross multiply
967,309.68x = 1,450,962.72 × 257,337.68 - Step 4: Simplify right side
967,309.68x = 373,387,380,131.29 - Step 5: Solve for x
x = 373,387,380,131.29/967,309.68 - Step 6: Final answer
x = 386,006.04
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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.