Finding the Fourth Proportional to 564,227.36, 778,633.67 and 322,515.12
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Solution
The fourth proportional to 564,227.36, 778,633.67 and 322,515.12 is: 445,070.82
Step by Step Solution
- Step 1: Write the proportion equation
564,227.36 : 778,633.67 = 322,515.12 : x - Step 2: Convert to fraction form
564,227.36/778,633.67 = 322,515.12/x - Step 3: Cross multiply
564,227.36x = 778,633.67 × 322,515.12 - Step 4: Simplify right side
564,227.36x = 251,121,130,709.80 - Step 5: Solve for x
x = 251,121,130,709.80/564,227.36 - Step 6: Final answer
x = 445,070.82
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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.