Finding the Fourth Proportional to 551,887.07, 761,471.12 and 322,314.03
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Solution
The fourth proportional to 551,887.07, 761,471.12 and 322,314.03 is: 444,715.67
Step by Step Solution
- Step 1: Write the proportion equation
551,887.07 : 761,471.12 = 322,314.03 : x - Step 2: Convert to fraction form
551,887.07/761,471.12 = 322,314.03/x - Step 3: Cross multiply
551,887.07x = 761,471.12 × 322,314.03 - Step 4: Simplify right side
551,887.07x = 245,432,823,804.24 - Step 5: Solve for x
x = 245,432,823,804.24/551,887.07 - Step 6: Final answer
x = 444,715.67
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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.