Finding the Fourth Proportional to 745,384.24, 1,028,642.70 and 423,104.23
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Solution
The fourth proportional to 745,384.24, 1,028,642.70 and 423,104.23 is: 583,890.90
Step by Step Solution
- Step 1: Write the proportion equation
745,384.24 : 1,028,642.70 = 423,104.23 : x - Step 2: Convert to fraction form
745,384.24/1,028,642.70 = 423,104.23/x - Step 3: Cross multiply
745,384.24x = 1,028,642.70 × 423,104.23 - Step 4: Simplify right side
745,384.24x = 435,223,077,528.62 - Step 5: Solve for x
x = 435,223,077,528.62/745,384.24 - Step 6: Final answer
x = 583,890.90
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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.