Finding the Fourth Proportional to 577,117.56, 796,407.30 and 322,470.84
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Solution
The fourth proportional to 577,117.56, 796,407.30 and 322,470.84 is: 445,001.42
Step by Step Solution
- Step 1: Write the proportion equation
577,117.56 : 796,407.30 = 322,470.84 : x - Step 2: Convert to fraction form
577,117.56/796,407.30 = 322,470.84/x - Step 3: Cross multiply
577,117.56x = 796,407.30 × 322,470.84 - Step 4: Simplify right side
577,117.56x = 256,818,131,013.13 - Step 5: Solve for x
x = 256,818,131,013.13/577,117.56 - Step 6: Final answer
x = 445,001.42
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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.