Finding the Fourth Proportional to 709,545.63, 1,063,394.31 and 288,329.07
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Solution
The fourth proportional to 709,545.63, 1,063,394.31 and 288,329.07 is: 432,118.08
Step by Step Solution
- Step 1: Write the proportion equation
709,545.63 : 1,063,394.31 = 288,329.07 : x - Step 2: Convert to fraction form
709,545.63/1,063,394.31 = 288,329.07/x - Step 3: Cross multiply
709,545.63x = 1,063,394.31 × 288,329.07 - Step 4: Simplify right side
709,545.63x = 306,607,492,445.59 - Step 5: Solve for x
x = 306,607,492,445.59/709,545.63 - Step 6: Final answer
x = 432,118.08
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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.