Finding the Fourth Proportional to 816,139.69, 1,125,923.06 and 509,684.04
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Solution
The fourth proportional to 816,139.69, 1,125,923.06 and 509,684.04 is: 703,145.58
Step by Step Solution
- Step 1: Write the proportion equation
816,139.69 : 1,125,923.06 = 509,684.04 : x - Step 2: Convert to fraction form
816,139.69/1,125,923.06 = 509,684.04/x - Step 3: Cross multiply
816,139.69x = 1,125,923.06 × 509,684.04 - Step 4: Simplify right side
816,139.69x = 573,865,011,401.54 - Step 5: Solve for x
x = 573,865,011,401.54/816,139.69 - Step 6: Final answer
x = 703,145.58
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.