Finding the Fourth Proportional to 508,727.07, 702,046.08 and 317,851.17
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Solution
The fourth proportional to 508,727.07, 702,046.08 and 317,851.17 is: 438,636.32
Step by Step Solution
- Step 1: Write the proportion equation
508,727.07 : 702,046.08 = 317,851.17 : x - Step 2: Convert to fraction form
508,727.07/702,046.08 = 317,851.17/x - Step 3: Cross multiply
508,727.07x = 702,046.08 × 317,851.17 - Step 4: Simplify right side
508,727.07x = 223,146,167,921.91 - Step 5: Solve for x
x = 223,146,167,921.91/508,727.07 - Step 6: Final answer
x = 438,636.32
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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.