Finding the Fourth Proportional to 709,014.98, 1,062,635.51 and 354,128.06
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Solution
The fourth proportional to 709,014.98, 1,062,635.51 and 354,128.06 is: 530,749.08
Step by Step Solution
- Step 1: Write the proportion equation
709,014.98 : 1,062,635.51 = 354,128.06 : x - Step 2: Convert to fraction form
709,014.98/1,062,635.51 = 354,128.06/x - Step 3: Cross multiply
709,014.98x = 1,062,635.51 × 354,128.06 - Step 4: Simplify right side
709,014.98x = 376,309,051,643.41 - Step 5: Solve for x
x = 376,309,051,643.41/709,014.98 - Step 6: Final answer
x = 530,749.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.