Finding the Fourth Proportional to 895,142.21, 1,343,038.15 and 553,187.08
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Solution
The fourth proportional to 895,142.21, 1,343,038.15 and 553,187.08 is: 829,981.36
Step by Step Solution
- Step 1: Write the proportion equation
895,142.21 : 1,343,038.15 = 553,187.08 : x - Step 2: Convert to fraction form
895,142.21/1,343,038.15 = 553,187.08/x - Step 3: Cross multiply
895,142.21x = 1,343,038.15 × 553,187.08 - Step 4: Simplify right side
895,142.21x = 742,951,352,527.10 - Step 5: Solve for x
x = 742,951,352,527.10/895,142.21 - Step 6: Final answer
x = 829,981.36
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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.