Finding the Fourth Proportional to 571,607.63, 788,761.68 and 329,968.05
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Solution
The fourth proportional to 571,607.63, 788,761.68 and 329,968.05 is: 455,323.09
Step by Step Solution
- Step 1: Write the proportion equation
571,607.63 : 788,761.68 = 329,968.05 : x - Step 2: Convert to fraction form
571,607.63/788,761.68 = 329,968.05/x - Step 3: Cross multiply
571,607.63x = 788,761.68 × 329,968.05 - Step 4: Simplify right side
571,607.63x = 260,266,153,464.32 - Step 5: Solve for x
x = 260,266,153,464.32/571,607.63 - Step 6: Final answer
x = 455,323.09
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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.