Finding the Fourth Proportional to 927,827.74, 1,389,378.96 and 611,325.10
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Solution
The fourth proportional to 927,827.74, 1,389,378.96 and 611,325.10 is: 915,430.95
Step by Step Solution
- Step 1: Write the proportion equation
927,827.74 : 1,389,378.96 = 611,325.10 : x - Step 2: Convert to fraction form
927,827.74/1,389,378.96 = 611,325.10/x - Step 3: Cross multiply
927,827.74x = 1,389,378.96 × 611,325.10 - Step 4: Simplify right side
927,827.74x = 849,362,231,659.90 - Step 5: Solve for x
x = 849,362,231,659.90/927,827.74 - Step 6: Final answer
x = 915,430.95
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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.