Finding the Fourth Proportional to 1,275,353.68, 1,912,366.17 and 475,977.82
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Solution
The fourth proportional to 1,275,353.68, 1,912,366.17 and 475,977.82 is: 713,718.79
Step by Step Solution
- Step 1: Write the proportion equation
1,275,353.68 : 1,912,366.17 = 475,977.82 : x - Step 2: Convert to fraction form
1,275,353.68/1,912,366.17 = 475,977.82/x - Step 3: Cross multiply
1,275,353.68x = 1,912,366.17 × 475,977.82 - Step 4: Simplify right side
1,275,353.68x = 910,243,880,638.35 - Step 5: Solve for x
x = 910,243,880,638.35/1,275,353.68 - Step 6: Final answer
x = 713,718.79
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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.