Finding the Fourth Proportional to 868,545.74, 1,302,992.55 and 299,947.61
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Solution
The fourth proportional to 868,545.74, 1,302,992.55 and 299,947.61 is: 449,981.49
Step by Step Solution
- Step 1: Write the proportion equation
868,545.74 : 1,302,992.55 = 299,947.61 : x - Step 2: Convert to fraction form
868,545.74/1,302,992.55 = 299,947.61/x - Step 3: Cross multiply
868,545.74x = 1,302,992.55 × 299,947.61 - Step 4: Simplify right side
868,545.74x = 390,829,504,477.79 - Step 5: Solve for x
x = 390,829,504,477.79/868,545.74 - Step 6: Final answer
x = 449,981.49
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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.