Finding the Fourth Proportional to 745,758.97, 1,029,110.87 and 423,462.15
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Solution
The fourth proportional to 745,758.97, 1,029,110.87 and 423,462.15 is: 584,357.04
Step by Step Solution
- Step 1: Write the proportion equation
745,758.97 : 1,029,110.87 = 423,462.15 : x - Step 2: Convert to fraction form
745,758.97/1,029,110.87 = 423,462.15/x - Step 3: Cross multiply
745,758.97x = 1,029,110.87 × 423,462.15 - Step 4: Simplify right side
745,758.97x = 435,789,502,657.23 - Step 5: Solve for x
x = 435,789,502,657.23/745,758.97 - Step 6: Final answer
x = 584,357.04
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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.