Finding the Fourth Proportional to 570,318.37, 787,236.11 and 328,697.26
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Solution
The fourth proportional to 570,318.37, 787,236.11 and 328,697.26 is: 453,715.62
Step by Step Solution
- Step 1: Write the proportion equation
570,318.37 : 787,236.11 = 328,697.26 : x - Step 2: Convert to fraction form
570,318.37/787,236.11 = 328,697.26/x - Step 3: Cross multiply
570,318.37x = 787,236.11 × 328,697.26 - Step 4: Simplify right side
570,318.37x = 258,762,352,330.06 - Step 5: Solve for x
x = 258,762,352,330.06/570,318.37 - Step 6: Final answer
x = 453,715.62
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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.