Finding the Fourth Proportional to 709,440.66, 977,364.63 and 494,191.26
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Solution
The fourth proportional to 709,440.66, 977,364.63 and 494,191.26 is: 680,825.17
Step by Step Solution
- Step 1: Write the proportion equation
709,440.66 : 977,364.63 = 494,191.26 : x - Step 2: Convert to fraction form
709,440.66/977,364.63 = 494,191.26/x - Step 3: Cross multiply
709,440.66x = 977,364.63 × 494,191.26 - Step 4: Simplify right side
709,440.66x = 483,005,057,979.13 - Step 5: Solve for x
x = 483,005,057,979.13/709,440.66 - Step 6: Final answer
x = 680,825.17
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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.