Finding the Fourth Proportional to 700,930.13, 967,282.34 and 378,639.23
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Solution
The fourth proportional to 700,930.13, 967,282.34 and 378,639.23 is: 522,521.47
Step by Step Solution
- Step 1: Write the proportion equation
700,930.13 : 967,282.34 = 378,639.23 : x - Step 2: Convert to fraction form
700,930.13/967,282.34 = 378,639.23/x - Step 3: Cross multiply
700,930.13x = 967,282.34 × 378,639.23 - Step 4: Simplify right side
700,930.13x = 366,251,040,935.21 - Step 5: Solve for x
x = 366,251,040,935.21/700,930.13 - Step 6: Final answer
x = 522,521.47
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1.5x scale
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.