Finding the Fourth Proportional to 529,154.53, 730,237.07 and 287,437.19
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Solution
The fourth proportional to 529,154.53, 730,237.07 and 287,437.19 is: 396,665.39
Step by Step Solution
- Step 1: Write the proportion equation
529,154.53 : 730,237.07 = 287,437.19 : x - Step 2: Convert to fraction form
529,154.53/730,237.07 = 287,437.19/x - Step 3: Cross multiply
529,154.53x = 730,237.07 × 287,437.19 - Step 4: Simplify right side
529,154.53x = 209,897,288,502.04 - Step 5: Solve for x
x = 209,897,288,502.04/529,154.53 - Step 6: Final answer
x = 396,665.39
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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.