Finding the Fourth Proportional to 1,011,697.71, 1,396,101.18 and 552,828.03
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Solution
The fourth proportional to 1,011,697.71, 1,396,101.18 and 552,828.03 is: 762,879.92
Step by Step Solution
- Step 1: Write the proportion equation
1,011,697.71 : 1,396,101.18 = 552,828.03 : x - Step 2: Convert to fraction form
1,011,697.71/1,396,101.18 = 552,828.03/x - Step 3: Cross multiply
1,011,697.71x = 1,396,101.18 × 552,828.03 - Step 4: Simplify right side
1,011,697.71x = 771,803,865,020.08 - Step 5: Solve for x
x = 771,803,865,020.08/1,011,697.71 - Step 6: Final answer
x = 762,879.92
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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.