Finding the Fourth Proportional to 929,723.63, 1,395,332.67 and 480,576.07
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Solution
The fourth proportional to 929,723.63, 1,395,332.67 and 480,576.07 is: 721,250.34
Step by Step Solution
- Step 1: Write the proportion equation
929,723.63 : 1,395,332.67 = 480,576.07 : x - Step 2: Convert to fraction form
929,723.63/1,395,332.67 = 480,576.07/x - Step 3: Cross multiply
929,723.63x = 1,395,332.67 × 480,576.07 - Step 4: Simplify right side
929,723.63x = 670,563,483,914.54 - Step 5: Solve for x
x = 670,563,483,914.54/929,723.63 - Step 6: Final answer
x = 721,250.34
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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.