Finding the Fourth Proportional to 540,829.98, 746,279.73 and 299,079.63
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Solution
The fourth proportional to 540,829.98, 746,279.73 and 299,079.63 is: 412,693.59
Step by Step Solution
- Step 1: Write the proportion equation
540,829.98 : 746,279.73 = 299,079.63 : x - Step 2: Convert to fraction form
540,829.98/746,279.73 = 299,079.63/x - Step 3: Cross multiply
540,829.98x = 746,279.73 × 299,079.63 - Step 4: Simplify right side
540,829.98x = 223,197,065,524.90 - Step 5: Solve for x
x = 223,197,065,524.90/540,829.98 - Step 6: Final answer
x = 412,693.59
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1.5x scale
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.