Finding the Fourth Proportional to 508,708.06, 702,019.86 and 317,832.18
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Solution
The fourth proportional to 508,708.06, 702,019.86 and 317,832.18 is: 438,610.12
Step by Step Solution
- Step 1: Write the proportion equation
508,708.06 : 702,019.86 = 317,832.18 : x - Step 2: Convert to fraction form
508,708.06/702,019.86 = 317,832.18/x - Step 3: Cross multiply
508,708.06x = 702,019.86 × 317,832.18 - Step 4: Simplify right side
508,708.06x = 223,124,502,507.10 - Step 5: Solve for x
x = 223,124,502,507.10/508,708.06 - Step 6: Final answer
x = 438,610.12
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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.