Finding the Fourth Proportional to 877,133.39, 1,210,454.18 and 514,563.42
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Solution
The fourth proportional to 877,133.39, 1,210,454.18 and 514,563.42 is: 710,103.45
Step by Step Solution
- Step 1: Write the proportion equation
877,133.39 : 1,210,454.18 = 514,563.42 : x - Step 2: Convert to fraction form
877,133.39/1,210,454.18 = 514,563.42/x - Step 3: Cross multiply
877,133.39x = 1,210,454.18 × 514,563.42 - Step 4: Simplify right side
877,133.39x = 622,855,440,041.28 - Step 5: Solve for x
x = 622,855,440,041.28/877,133.39 - Step 6: Final answer
x = 710,103.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.