Finding the Fourth Proportional to 564,132.99, 778,556.76 and 322,368.95
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Solution
The fourth proportional to 564,132.99, 778,556.76 and 322,368.95 is: 444,899.56
Step by Step Solution
- Step 1: Write the proportion equation
564,132.99 : 778,556.76 = 322,368.95 : x - Step 2: Convert to fraction form
564,132.99/778,556.76 = 322,368.95/x - Step 3: Cross multiply
564,132.99x = 778,556.76 × 322,368.95 - Step 4: Simplify right side
564,132.99x = 250,982,521,343.82 - Step 5: Solve for x
x = 250,982,521,343.82/564,132.99 - Step 6: Final answer
x = 444,899.56
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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.