Finding the Fourth Proportional to 927,820.73, 1,389,368.48 and 611,318.09
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Solution
The fourth proportional to 927,820.73, 1,389,368.48 and 611,318.09 is: 915,420.46
Step by Step Solution
- Step 1: Write the proportion equation
927,820.73 : 1,389,368.48 = 611,318.09 : x - Step 2: Convert to fraction form
927,820.73/1,389,368.48 = 611,318.09/x - Step 3: Cross multiply
927,820.73x = 1,389,368.48 × 611,318.09 - Step 4: Simplify right side
927,820.73x = 849,346,075,496.37 - Step 5: Solve for x
x = 849,346,075,496.37/927,820.73 - Step 6: Final answer
x = 915,420.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.