Finding the Fourth Proportional to 749,545.97, 1,124,246.05 and 412,475.81
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Solution
The fourth proportional to 749,545.97, 1,124,246.05 and 412,475.81 is: 618,673.59
Step by Step Solution
- Step 1: Write the proportion equation
749,545.97 : 1,124,246.05 = 412,475.81 : x - Step 2: Convert to fraction form
749,545.97/1,124,246.05 = 412,475.81/x - Step 3: Cross multiply
749,545.97x = 1,124,246.05 × 412,475.81 - Step 4: Simplify right side
749,545.97x = 463,724,293,460.63 - Step 5: Solve for x
x = 463,724,293,460.63/749,545.97 - Step 6: Final answer
x = 618,673.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.