Finding the Fourth Proportional to 783,902.56, 1,081,655.62 and 461,495.02
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Solution
The fourth proportional to 783,902.56, 1,081,655.62 and 461,495.02 is: 636,786.65
Step by Step Solution
- Step 1: Write the proportion equation
783,902.56 : 1,081,655.62 = 461,495.02 : x - Step 2: Convert to fraction form
783,902.56/1,081,655.62 = 461,495.02/x - Step 3: Cross multiply
783,902.56x = 1,081,655.62 × 461,495.02 - Step 4: Simplify right side
783,902.56x = 499,178,681,985.01 - Step 5: Solve for x
x = 499,178,681,985.01/783,902.56 - Step 6: Final answer
x = 636,786.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.