Finding the Fourth Proportional to 889,139.70, 1,329,772.95 and 747,422.10
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Solution
The fourth proportional to 889,139.70, 1,329,772.95 and 747,422.10 is: 1,117,823.99
Step by Step Solution
- Step 1: Write the proportion equation
889,139.70 : 1,329,772.95 = 747,422.10 : x - Step 2: Convert to fraction form
889,139.70/1,329,772.95 = 747,422.10/x - Step 3: Cross multiply
889,139.70x = 1,329,772.95 × 747,422.10 - Step 4: Simplify right side
889,139.70x = 993,901,690,812.20 - Step 5: Solve for x
x = 993,901,690,812.20/889,139.70 - Step 6: Final answer
x = 1,117,823.99
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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.