Finding the Fourth Proportional to 745,377.68, 1,028,633.68 and 423,097.72
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Solution
The fourth proportional to 745,377.68, 1,028,633.68 and 423,097.72 is: 583,881.94
Step by Step Solution
- Step 1: Write the proportion equation
745,377.68 : 1,028,633.68 = 423,097.72 : x - Step 2: Convert to fraction form
745,377.68/1,028,633.68 = 423,097.72/x - Step 3: Cross multiply
745,377.68x = 1,028,633.68 × 423,097.72 - Step 4: Simplify right side
745,377.68x = 435,212,564,723.21 - Step 5: Solve for x
x = 435,212,564,723.21/745,377.68 - Step 6: Final answer
x = 583,881.94
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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.