Finding the Fourth Proportional to 713,555.61, 985,223.34 and 459,349.62
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Solution
The fourth proportional to 713,555.61, 985,223.34 and 459,349.62 is: 634,235.03
Step by Step Solution
- Step 1: Write the proportion equation
713,555.61 : 985,223.34 = 459,349.62 : x - Step 2: Convert to fraction form
713,555.61/985,223.34 = 459,349.62/x - Step 3: Cross multiply
713,555.61x = 985,223.34 × 459,349.62 - Step 4: Simplify right side
713,555.61x = 452,561,966,844.13 - Step 5: Solve for x
x = 452,561,966,844.13/713,555.61 - Step 6: Final answer
x = 634,235.03
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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.