Finding the Fourth Proportional to 1,108,296.84, 1,662,037.02 and 398,134.20
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Solution
The fourth proportional to 1,108,296.84, 1,662,037.02 and 398,134.20 is: 597,054.65
Step by Step Solution
- Step 1: Write the proportion equation
1,108,296.84 : 1,662,037.02 = 398,134.20 : x - Step 2: Convert to fraction form
1,108,296.84/1,662,037.02 = 398,134.20/x - Step 3: Cross multiply
1,108,296.84x = 1,662,037.02 × 398,134.20 - Step 4: Simplify right side
1,108,296.84x = 661,713,779,328.08 - Step 5: Solve for x
x = 661,713,779,328.08/1,108,296.84 - Step 6: Final answer
x = 597,054.65
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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.