Finding the Fourth Proportional to 1,234,935.30, 1,852,402.95 and 437,117.70
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Solution
The fourth proportional to 1,234,935.30, 1,852,402.95 and 437,117.70 is: 655,676.55
Step by Step Solution
- Step 1: Write the proportion equation
1,234,935.30 : 1,852,402.95 = 437,117.70 : x - Step 2: Convert to fraction form
1,234,935.30/1,852,402.95 = 437,117.70/x - Step 3: Cross multiply
1,234,935.30x = 1,852,402.95 × 437,117.70 - Step 4: Simplify right side
1,234,935.30x = 809,718,116,977.22 - Step 5: Solve for x
x = 809,718,116,977.22/1,234,935.30 - Step 6: Final answer
x = 655,676.55
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1.5x scale
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.