Finding the Fourth Proportional to 883,294.74, 1,218,984.12 and 501,357.06
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Solution
The fourth proportional to 883,294.74, 1,218,984.12 and 501,357.06 is: 691,893.96
Step by Step Solution
- Step 1: Write the proportion equation
883,294.74 : 1,218,984.12 = 501,357.06 : x - Step 2: Convert to fraction form
883,294.74/1,218,984.12 = 501,357.06/x - Step 3: Cross multiply
883,294.74x = 1,218,984.12 × 501,357.06 - Step 4: Simplify right side
883,294.74x = 611,146,294,589.89 - Step 5: Solve for x
x = 611,146,294,589.89/883,294.74 - Step 6: Final answer
x = 691,893.96
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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.