Finding the Fourth Proportional to 828,875.19, 1,143,235.50 and 570,834.09
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Solution
The fourth proportional to 828,875.19, 1,143,235.50 and 570,834.09 is: 787,329.39
Step by Step Solution
- Step 1: Write the proportion equation
828,875.19 : 1,143,235.50 = 570,834.09 : x - Step 2: Convert to fraction form
828,875.19/1,143,235.50 = 570,834.09/x - Step 3: Cross multiply
828,875.19x = 1,143,235.50 × 570,834.09 - Step 4: Simplify right side
828,875.19x = 652,597,796,298.20 - Step 5: Solve for x
x = 652,597,796,298.20/828,875.19 - Step 6: Final answer
x = 787,329.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.