Finding the Fourth Proportional to 751,622.79, 1,127,681.60 and 499,893.63
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Solution
The fourth proportional to 751,622.79, 1,127,681.60 and 499,893.63 is: 750,004.98
Step by Step Solution
- Step 1: Write the proportion equation
751,622.79 : 1,127,681.60 = 499,893.63 : x - Step 2: Convert to fraction form
751,622.79/1,127,681.60 = 499,893.63/x - Step 3: Cross multiply
751,622.79x = 1,127,681.60 × 499,893.63 - Step 4: Simplify right side
751,622.79x = 563,720,841,779.93 - Step 5: Solve for x
x = 563,720,841,779.93/751,622.79 - Step 6: Final answer
x = 750,004.98
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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.