Finding the Fourth Proportional to 1,014,453.12, 1,399,947.12 and 549,312.24
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Solution
The fourth proportional to 1,014,453.12, 1,399,947.12 and 549,312.24 is: 758,051.87
Step by Step Solution
- Step 1: Write the proportion equation
1,014,453.12 : 1,399,947.12 = 549,312.24 : x - Step 2: Convert to fraction form
1,014,453.12/1,399,947.12 = 549,312.24/x - Step 3: Cross multiply
1,014,453.12x = 1,399,947.12 × 549,312.24 - Step 4: Simplify right side
1,014,453.12x = 769,008,088,368.75 - Step 5: Solve for x
x = 769,008,088,368.75/1,014,453.12 - Step 6: Final answer
x = 758,051.87
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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.