Finding the Fourth Proportional to 660,287.97, 989,545.01 and 360,319.05
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Solution
The fourth proportional to 660,287.97, 989,545.01 and 360,319.05 is: 539,994.57
Step by Step Solution
- Step 1: Write the proportion equation
660,287.97 : 989,545.01 = 360,319.05 : x - Step 2: Convert to fraction form
660,287.97/989,545.01 = 360,319.05/x - Step 3: Cross multiply
660,287.97x = 989,545.01 × 360,319.05 - Step 4: Simplify right side
660,287.97x = 356,551,916,133.85 - Step 5: Solve for x
x = 356,551,916,133.85/660,287.97 - Step 6: Final answer
x = 539,994.57
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.