Finding the Fourth Proportional to 922,219.70, 1,272,779.80 and 559,622.66
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Solution
The fourth proportional to 922,219.70, 1,272,779.80 and 559,622.66 is: 772,350.03
Step by Step Solution
- Step 1: Write the proportion equation
922,219.70 : 1,272,779.80 = 559,622.66 : x - Step 2: Convert to fraction form
922,219.70/1,272,779.80 = 559,622.66/x - Step 3: Cross multiply
922,219.70x = 1,272,779.80 × 559,622.66 - Step 4: Simplify right side
922,219.70x = 712,276,409,507.31 - Step 5: Solve for x
x = 712,276,409,507.31/922,219.70 - Step 6: Final answer
x = 772,350.03
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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.